Home / 22,051.98-30,432.06-11,980.62

Finding the Fourth Proportional to 22,051.98, 30,432.06 and 11,980.62

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Solution

The fourth proportional to 22,051.98, 30,432.06 and 11,980.62 is: 16,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.98 : 30,432.06 = 11,980.62 : x
  2. Step 2: Convert to fraction form
    22,051.98/30,432.06 = 11,980.62/x
  3. Step 3: Cross multiply
    22,051.98x = 30,432.06 × 11,980.62
  4. Step 4: Simplify right side
    22,051.98x = 364,594,946.68
  5. Step 5: Solve for x
    x = 364,594,946.68/22,051.98
  6. Step 6: Final answer
    x = 16,533.43

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Half scale
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Double scale
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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.