Home / 18,027.18-24,885.18-10,955.88

Finding the Fourth Proportional to 18,027.18, 24,885.18 and 10,955.88

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Solution

The fourth proportional to 18,027.18, 24,885.18 and 10,955.88 is: 15,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.18 : 24,885.18 = 10,955.88 : x
  2. Step 2: Convert to fraction form
    18,027.18/24,885.18 = 10,955.88/x
  3. Step 3: Cross multiply
    18,027.18x = 24,885.18 × 10,955.88
  4. Step 4: Simplify right side
    18,027.18x = 272,639,045.86
  5. Step 5: Solve for x
    x = 272,639,045.86/18,027.18
  6. Step 6: Final answer
    x = 15,123.78

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1.5x scale

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.