Home / 23,198.57-32,012.42-13,126.76

Finding the Fourth Proportional to 23,198.57, 32,012.42 and 13,126.76

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Solution

The fourth proportional to 23,198.57, 32,012.42 and 13,126.76 is: 18,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,198.57 : 32,012.42 = 13,126.76 : x
  2. Step 2: Convert to fraction form
    23,198.57/32,012.42 = 13,126.76/x
  3. Step 3: Cross multiply
    23,198.57x = 32,012.42 × 13,126.76
  4. Step 4: Simplify right side
    23,198.57x = 420,219,248.71
  5. Step 5: Solve for x
    x = 420,219,248.71/23,198.57
  6. Step 6: Final answer
    x = 18,114.02

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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.