Home / 19,032.20-28,545.78-8,641.56

Finding the Fourth Proportional to 19,032.20, 28,545.78 and 8,641.56

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Solution

The fourth proportional to 19,032.20, 28,545.78 and 8,641.56 is: 12,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.20 : 28,545.78 = 8,641.56 : x
  2. Step 2: Convert to fraction form
    19,032.20/28,545.78 = 8,641.56/x
  3. Step 3: Cross multiply
    19,032.20x = 28,545.78 × 8,641.56
  4. Step 4: Simplify right side
    19,032.20x = 246,680,070.62
  5. Step 5: Solve for x
    x = 246,680,070.62/19,032.20
  6. Step 6: Final answer
    x = 12,961.20

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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.