Home / 19,585.20-29,358.48-12,545.24

Finding the Fourth Proportional to 19,585.20, 29,358.48 and 12,545.24

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Solution

The fourth proportional to 19,585.20, 29,358.48 and 12,545.24 is: 18,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.20 : 29,358.48 = 12,545.24 : x
  2. Step 2: Convert to fraction form
    19,585.20/29,358.48 = 12,545.24/x
  3. Step 3: Cross multiply
    19,585.20x = 29,358.48 × 12,545.24
  4. Step 4: Simplify right side
    19,585.20x = 368,309,177.64
  5. Step 5: Solve for x
    x = 368,309,177.64/19,585.20
  6. Step 6: Final answer
    x = 18,805.48

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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.