Home / 14,610.18-20,158.26-8,942.88

Finding the Fourth Proportional to 14,610.18, 20,158.26 and 8,942.88

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Solution

The fourth proportional to 14,610.18, 20,158.26 and 8,942.88 is: 12,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.18 : 20,158.26 = 8,942.88 : x
  2. Step 2: Convert to fraction form
    14,610.18/20,158.26 = 8,942.88/x
  3. Step 3: Cross multiply
    14,610.18x = 20,158.26 × 8,942.88
  4. Step 4: Simplify right side
    14,610.18x = 180,272,900.19
  5. Step 5: Solve for x
    x = 180,272,900.19/14,610.18
  6. Step 6: Final answer
    x = 12,338.86

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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.