Home / 19,938.74-27,545.20-16,104.65

Finding the Fourth Proportional to 19,938.74, 27,545.20 and 16,104.65

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Solution

The fourth proportional to 19,938.74, 27,545.20 and 16,104.65 is: 22,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.74 : 27,545.20 = 16,104.65 : x
  2. Step 2: Convert to fraction form
    19,938.74/27,545.20 = 16,104.65/x
  3. Step 3: Cross multiply
    19,938.74x = 27,545.20 × 16,104.65
  4. Step 4: Simplify right side
    19,938.74x = 443,605,627.19
  5. Step 5: Solve for x
    x = 443,605,627.19/19,938.74
  6. Step 6: Final answer
    x = 22,248.43

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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.