Home / 20,416.28-28,177.55-12,463.13

Finding the Fourth Proportional to 20,416.28, 28,177.55 and 12,463.13

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Solution

The fourth proportional to 20,416.28, 28,177.55 and 12,463.13 is: 17,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.28 : 28,177.55 = 12,463.13 : x
  2. Step 2: Convert to fraction form
    20,416.28/28,177.55 = 12,463.13/x
  3. Step 3: Cross multiply
    20,416.28x = 28,177.55 × 12,463.13
  4. Step 4: Simplify right side
    20,416.28x = 351,180,265.53
  5. Step 5: Solve for x
    x = 351,180,265.53/20,416.28
  6. Step 6: Final answer
    x = 17,201.00

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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.