Home / 19,545.28-29,325.30-11,759.56

Finding the Fourth Proportional to 19,545.28, 29,325.30 and 11,759.56

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Solution

The fourth proportional to 19,545.28, 29,325.30 and 11,759.56 is: 17,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.28 : 29,325.30 = 11,759.56 : x
  2. Step 2: Convert to fraction form
    19,545.28/29,325.30 = 11,759.56/x
  3. Step 3: Cross multiply
    19,545.28x = 29,325.30 × 11,759.56
  4. Step 4: Simplify right side
    19,545.28x = 344,852,624.87
  5. Step 5: Solve for x
    x = 344,852,624.87/19,545.28
  6. Step 6: Final answer
    x = 17,643.78

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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.