Home / 22,138.38-30,545.37-14,972.04

Finding the Fourth Proportional to 22,138.38, 30,545.37 and 14,972.04

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Solution

The fourth proportional to 22,138.38, 30,545.37 and 14,972.04 is: 20,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.38 : 30,545.37 = 14,972.04 : x
  2. Step 2: Convert to fraction form
    22,138.38/30,545.37 = 14,972.04/x
  3. Step 3: Cross multiply
    22,138.38x = 30,545.37 × 14,972.04
  4. Step 4: Simplify right side
    22,138.38x = 457,326,501.45
  5. Step 5: Solve for x
    x = 457,326,501.45/22,138.38
  6. Step 6: Final answer
    x = 20,657.63

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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.