Home / 25,149.72-34,712.85-14,545.50

Finding the Fourth Proportional to 25,149.72, 34,712.85 and 14,545.50

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Solution

The fourth proportional to 25,149.72, 34,712.85 and 14,545.50 is: 20,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.72 : 34,712.85 = 14,545.50 : x
  2. Step 2: Convert to fraction form
    25,149.72/34,712.85 = 14,545.50/x
  3. Step 3: Cross multiply
    25,149.72x = 34,712.85 × 14,545.50
  4. Step 4: Simplify right side
    25,149.72x = 504,915,759.68
  5. Step 5: Solve for x
    x = 504,915,759.68/25,149.72
  6. Step 6: Final answer
    x = 20,076.40

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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.