Home / 21,545.44-29,725.56-17,559.70

Finding the Fourth Proportional to 21,545.44, 29,725.56 and 17,559.70

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Solution

The fourth proportional to 21,545.44, 29,725.56 and 17,559.70 is: 24,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.44 : 29,725.56 = 17,559.70 : x
  2. Step 2: Convert to fraction form
    21,545.44/29,725.56 = 17,559.70/x
  3. Step 3: Cross multiply
    21,545.44x = 29,725.56 × 17,559.70
  4. Step 4: Simplify right side
    21,545.44x = 521,971,915.93
  5. Step 5: Solve for x
    x = 521,971,915.93/21,545.44
  6. Step 6: Final answer
    x = 24,226.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.