Home / 19,545.52-29,321.88-6,398.62

Finding the Fourth Proportional to 19,545.52, 29,321.88 and 6,398.62

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Solution

The fourth proportional to 19,545.52, 29,321.88 and 6,398.62 is: 9,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.52 : 29,321.88 = 6,398.62 : x
  2. Step 2: Convert to fraction form
    19,545.52/29,321.88 = 6,398.62/x
  3. Step 3: Cross multiply
    19,545.52x = 29,321.88 × 6,398.62
  4. Step 4: Simplify right side
    19,545.52x = 187,619,567.81
  5. Step 5: Solve for x
    x = 187,619,567.81/19,545.52
  6. Step 6: Final answer
    x = 9,599.11

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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.