Home / 21,864.30-32,829.45-17,468.70

Finding the Fourth Proportional to 21,864.30, 32,829.45 and 17,468.70

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Solution

The fourth proportional to 21,864.30, 32,829.45 and 17,468.70 is: 26,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.30 : 32,829.45 = 17,468.70 : x
  2. Step 2: Convert to fraction form
    21,864.30/32,829.45 = 17,468.70/x
  3. Step 3: Cross multiply
    21,864.30x = 32,829.45 × 17,468.70
  4. Step 4: Simplify right side
    21,864.30x = 573,487,813.22
  5. Step 5: Solve for x
    x = 573,487,813.22/21,864.30
  6. Step 6: Final answer
    x = 26,229.42

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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.