Home / 14,351.38-21,531.15-5,588.80

Finding the Fourth Proportional to 14,351.38, 21,531.15 and 5,588.80

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Solution

The fourth proportional to 14,351.38, 21,531.15 and 5,588.80 is: 8,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.38 : 21,531.15 = 5,588.80 : x
  2. Step 2: Convert to fraction form
    14,351.38/21,531.15 = 5,588.80/x
  3. Step 3: Cross multiply
    14,351.38x = 21,531.15 × 5,588.80
  4. Step 4: Simplify right side
    14,351.38x = 120,333,237.29
  5. Step 5: Solve for x
    x = 120,333,237.29/14,351.38
  6. Step 6: Final answer
    x = 8,384.79

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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.