Home / 20,568.17-28,382.51-11,614.43

Finding the Fourth Proportional to 20,568.17, 28,382.51 and 11,614.43

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Solution

The fourth proportional to 20,568.17, 28,382.51 and 11,614.43 is: 16,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.17 : 28,382.51 = 11,614.43 : x
  2. Step 2: Convert to fraction form
    20,568.17/28,382.51 = 11,614.43/x
  3. Step 3: Cross multiply
    20,568.17x = 28,382.51 × 11,614.43
  4. Step 4: Simplify right side
    20,568.17x = 329,646,533.71
  5. Step 5: Solve for x
    x = 329,646,533.71/20,568.17
  6. Step 6: Final answer
    x = 16,027.03

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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.