Home / 15,614.52-21,548.10-9,644.82

Finding the Fourth Proportional to 15,614.52, 21,548.10 and 9,644.82

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Solution

The fourth proportional to 15,614.52, 21,548.10 and 9,644.82 is: 13,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.52 : 21,548.10 = 9,644.82 : x
  2. Step 2: Convert to fraction form
    15,614.52/21,548.10 = 9,644.82/x
  3. Step 3: Cross multiply
    15,614.52x = 21,548.10 × 9,644.82
  4. Step 4: Simplify right side
    15,614.52x = 207,827,545.84
  5. Step 5: Solve for x
    x = 207,827,545.84/15,614.52
  6. Step 6: Final answer
    x = 13,309.89

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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.