Home / 14,154.95-21,232.97-5,272.53

Finding the Fourth Proportional to 14,154.95, 21,232.97 and 5,272.53

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Solution

The fourth proportional to 14,154.95, 21,232.97 and 5,272.53 is: 7,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.95 : 21,232.97 = 5,272.53 : x
  2. Step 2: Convert to fraction form
    14,154.95/21,232.97 = 5,272.53/x
  3. Step 3: Cross multiply
    14,154.95x = 21,232.97 × 5,272.53
  4. Step 4: Simplify right side
    14,154.95x = 111,951,385.10
  5. Step 5: Solve for x
    x = 111,951,385.10/14,154.95
  6. Step 6: Final answer
    x = 7,908.99

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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.