Home / 22,051.98-30,432.08-11,980.62

Finding the Fourth Proportional to 22,051.98, 30,432.08 and 11,980.62

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Solution

The fourth proportional to 22,051.98, 30,432.08 and 11,980.62 is: 16,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.98 : 30,432.08 = 11,980.62 : x
  2. Step 2: Convert to fraction form
    22,051.98/30,432.08 = 11,980.62/x
  3. Step 3: Cross multiply
    22,051.98x = 30,432.08 × 11,980.62
  4. Step 4: Simplify right side
    22,051.98x = 364,595,126.39
  5. Step 5: Solve for x
    x = 364,595,126.39/22,051.98
  6. Step 6: Final answer
    x = 16,533.44

Related Problems

Find fourth proportional to 11,025.99, 15,216.04 and 5,990.31
Half scale
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Double scale
Find fourth proportional to 22,052.98, 30,433.46 and 11,981.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.