Home / 17,710.20-26,565.30-15,247.80

Finding the Fourth Proportional to 17,710.20, 26,565.30 and 15,247.80

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Solution

The fourth proportional to 17,710.20, 26,565.30 and 15,247.80 is: 22,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.20 : 26,565.30 = 15,247.80 : x
  2. Step 2: Convert to fraction form
    17,710.20/26,565.30 = 15,247.80/x
  3. Step 3: Cross multiply
    17,710.20x = 26,565.30 × 15,247.80
  4. Step 4: Simplify right side
    17,710.20x = 405,062,381.34
  5. Step 5: Solve for x
    x = 405,062,381.34/17,710.20
  6. Step 6: Final answer
    x = 22,871.70

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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.