Home / 14,660.64-20,231.92-8,373.02

Finding the Fourth Proportional to 14,660.64, 20,231.92 and 8,373.02

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Solution

The fourth proportional to 14,660.64, 20,231.92 and 8,373.02 is: 11,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.64 : 20,231.92 = 8,373.02 : x
  2. Step 2: Convert to fraction form
    14,660.64/20,231.92 = 8,373.02/x
  3. Step 3: Cross multiply
    14,660.64x = 20,231.92 × 8,373.02
  4. Step 4: Simplify right side
    14,660.64x = 169,402,270.80
  5. Step 5: Solve for x
    x = 169,402,270.80/14,660.64
  6. Step 6: Final answer
    x = 11,554.90

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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.