Home / 19,545.24-29,301.39-13,287.72

Finding the Fourth Proportional to 19,545.24, 29,301.39 and 13,287.72

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Solution

The fourth proportional to 19,545.24, 29,301.39 and 13,287.72 is: 19,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.24 : 29,301.39 = 13,287.72 : x
  2. Step 2: Convert to fraction form
    19,545.24/29,301.39 = 13,287.72/x
  3. Step 3: Cross multiply
    19,545.24x = 29,301.39 × 13,287.72
  4. Step 4: Simplify right side
    19,545.24x = 389,348,665.93
  5. Step 5: Solve for x
    x = 389,348,665.93/19,545.24
  6. Step 6: Final answer
    x = 19,920.38

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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.