Home / 22,120.50-30,532.96-15,051.02

Finding the Fourth Proportional to 22,120.50, 30,532.96 and 15,051.02

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Solution

The fourth proportional to 22,120.50, 30,532.96 and 15,051.02 is: 20,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.50 : 30,532.96 = 15,051.02 : x
  2. Step 2: Convert to fraction form
    22,120.50/30,532.96 = 15,051.02/x
  3. Step 3: Cross multiply
    22,120.50x = 30,532.96 × 15,051.02
  4. Step 4: Simplify right side
    22,120.50x = 459,552,286.77
  5. Step 5: Solve for x
    x = 459,552,286.77/22,120.50
  6. Step 6: Final answer
    x = 20,774.95

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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.