Home / 25,041.78-34,557.39-13,711.19

Finding the Fourth Proportional to 25,041.78, 34,557.39 and 13,711.19

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Solution

The fourth proportional to 25,041.78, 34,557.39 and 13,711.19 is: 18,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,041.78 : 34,557.39 = 13,711.19 : x
  2. Step 2: Convert to fraction form
    25,041.78/34,557.39 = 13,711.19/x
  3. Step 3: Cross multiply
    25,041.78x = 34,557.39 × 13,711.19
  4. Step 4: Simplify right side
    25,041.78x = 473,822,767.41
  5. Step 5: Solve for x
    x = 473,822,767.41/25,041.78
  6. Step 6: Final answer
    x = 18,921.29

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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.