Home / 23,167.76-34,770.28-13,178.88

Finding the Fourth Proportional to 23,167.76, 34,770.28 and 13,178.88

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Solution

The fourth proportional to 23,167.76, 34,770.28 and 13,178.88 is: 19,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.76 : 34,770.28 = 13,178.88 : x
  2. Step 2: Convert to fraction form
    23,167.76/34,770.28 = 13,178.88/x
  3. Step 3: Cross multiply
    23,167.76x = 34,770.28 × 13,178.88
  4. Step 4: Simplify right side
    23,167.76x = 458,233,347.69
  5. Step 5: Solve for x
    x = 458,233,347.69/23,167.76
  6. Step 6: Final answer
    x = 19,778.92

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1.5x scale

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.