Home / 13,306.64-19,964.40-8,882

Finding the Fourth Proportional to 13,306.64, 19,964.40 and 8,882

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Solution

The fourth proportional to 13,306.64, 19,964.40 and 8,882 is: 13,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.64 : 19,964.40 = 8,882 : x
  2. Step 2: Convert to fraction form
    13,306.64/19,964.40 = 8,882/x
  3. Step 3: Cross multiply
    13,306.64x = 19,964.40 × 8,882
  4. Step 4: Simplify right side
    13,306.64x = 177,323,800.80
  5. Step 5: Solve for x
    x = 177,323,800.80/13,306.64
  6. Step 6: Final answer
    x = 13,325.96

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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.