Home / 14,664.17-20,231.24-9,631.11

Finding the Fourth Proportional to 14,664.17, 20,231.24 and 9,631.11

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Solution

The fourth proportional to 14,664.17, 20,231.24 and 9,631.11 is: 13,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.17 : 20,231.24 = 9,631.11 : x
  2. Step 2: Convert to fraction form
    14,664.17/20,231.24 = 9,631.11/x
  3. Step 3: Cross multiply
    14,664.17x = 20,231.24 × 9,631.11
  4. Step 4: Simplify right side
    14,664.17x = 194,849,321.95
  5. Step 5: Solve for x
    x = 194,849,321.95/14,664.17
  6. Step 6: Final answer
    x = 13,287.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.