Home / 26,377.50-39,545.61-13,881.18

Finding the Fourth Proportional to 26,377.50, 39,545.61 and 13,881.18

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Solution

The fourth proportional to 26,377.50, 39,545.61 and 13,881.18 is: 20,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.50 : 39,545.61 = 13,881.18 : x
  2. Step 2: Convert to fraction form
    26,377.50/39,545.61 = 13,881.18/x
  3. Step 3: Cross multiply
    26,377.50x = 39,545.61 × 13,881.18
  4. Step 4: Simplify right side
    26,377.50x = 548,939,730.62
  5. Step 5: Solve for x
    x = 548,939,730.62/26,377.50
  6. Step 6: Final answer
    x = 20,810.91

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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.