Home / 25,155.39-34,712.42-14,545.71

Finding the Fourth Proportional to 25,155.39, 34,712.42 and 14,545.71

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Solution

The fourth proportional to 25,155.39, 34,712.42 and 14,545.71 is: 20,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.39 : 34,712.42 = 14,545.71 : x
  2. Step 2: Convert to fraction form
    25,155.39/34,712.42 = 14,545.71/x
  3. Step 3: Cross multiply
    25,155.39x = 34,712.42 × 14,545.71
  4. Step 4: Simplify right side
    25,155.39x = 504,916,721.99
  5. Step 5: Solve for x
    x = 504,916,721.99/25,155.39
  6. Step 6: Final answer
    x = 20,071.91

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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.