Home / 14,664.91-20,232.28-9,631.86

Finding the Fourth Proportional to 14,664.91, 20,232.28 and 9,631.86

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Solution

The fourth proportional to 14,664.91, 20,232.28 and 9,631.86 is: 13,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.91 : 20,232.28 = 9,631.86 : x
  2. Step 2: Convert to fraction form
    14,664.91/20,232.28 = 9,631.86/x
  3. Step 3: Cross multiply
    14,664.91x = 20,232.28 × 9,631.86
  4. Step 4: Simplify right side
    14,664.91x = 194,874,488.44
  5. Step 5: Solve for x
    x = 194,874,488.44/14,664.91
  6. Step 6: Final answer
    x = 13,288.49

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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.