Home / 23,449.20-32,359.92-13,240.32

Finding the Fourth Proportional to 23,449.20, 32,359.92 and 13,240.32

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Solution

The fourth proportional to 23,449.20, 32,359.92 and 13,240.32 is: 18,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,449.20 : 32,359.92 = 13,240.32 : x
  2. Step 2: Convert to fraction form
    23,449.20/32,359.92 = 13,240.32/x
  3. Step 3: Cross multiply
    23,449.20x = 32,359.92 × 13,240.32
  4. Step 4: Simplify right side
    23,449.20x = 428,455,695.97
  5. Step 5: Solve for x
    x = 428,455,695.97/23,449.20
  6. Step 6: Final answer
    x = 18,271.66

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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.