Home / 23,216.57-32,040.85-13,146.78

Finding the Fourth Proportional to 23,216.57, 32,040.85 and 13,146.78

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Solution

The fourth proportional to 23,216.57, 32,040.85 and 13,146.78 is: 18,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,216.57 : 32,040.85 = 13,146.78 : x
  2. Step 2: Convert to fraction form
    23,216.57/32,040.85 = 13,146.78/x
  3. Step 3: Cross multiply
    23,216.57x = 32,040.85 × 13,146.78
  4. Step 4: Simplify right side
    23,216.57x = 421,234,053.20
  5. Step 5: Solve for x
    x = 421,234,053.20/23,216.57
  6. Step 6: Final answer
    x = 18,143.68

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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.