Home / 14,372.16-21,557.52-5,011.80

Finding the Fourth Proportional to 14,372.16, 21,557.52 and 5,011.80

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Solution

The fourth proportional to 14,372.16, 21,557.52 and 5,011.80 is: 7,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.16 : 21,557.52 = 5,011.80 : x
  2. Step 2: Convert to fraction form
    14,372.16/21,557.52 = 5,011.80/x
  3. Step 3: Cross multiply
    14,372.16x = 21,557.52 × 5,011.80
  4. Step 4: Simplify right side
    14,372.16x = 108,041,978.74
  5. Step 5: Solve for x
    x = 108,041,978.74/14,372.16
  6. Step 6: Final answer
    x = 7,517.45

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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.