Home / 42,545.40-63,818.10-14,843.40

Finding the Fourth Proportional to 42,545.40, 63,818.10 and 14,843.40

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Solution

The fourth proportional to 42,545.40, 63,818.10 and 14,843.40 is: 22,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.40 : 63,818.10 = 14,843.40 : x
  2. Step 2: Convert to fraction form
    42,545.40/63,818.10 = 14,843.40/x
  3. Step 3: Cross multiply
    42,545.40x = 63,818.10 × 14,843.40
  4. Step 4: Simplify right side
    42,545.40x = 947,277,585.54
  5. Step 5: Solve for x
    x = 947,277,585.54/42,545.40
  6. Step 6: Final answer
    x = 22,265.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.