Home / 25,154.89-34,711.73-14,545.21

Finding the Fourth Proportional to 25,154.89, 34,711.73 and 14,545.21

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Solution

The fourth proportional to 25,154.89, 34,711.73 and 14,545.21 is: 20,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.89 : 34,711.73 = 14,545.21 : x
  2. Step 2: Convert to fraction form
    25,154.89/34,711.73 = 14,545.21/x
  3. Step 3: Cross multiply
    25,154.89x = 34,711.73 × 14,545.21
  4. Step 4: Simplify right side
    25,154.89x = 504,889,402.31
  5. Step 5: Solve for x
    x = 504,889,402.31/25,154.89
  6. Step 6: Final answer
    x = 20,071.22

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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.