Home / 23,255.32-32,102.16-15,711.88

Finding the Fourth Proportional to 23,255.32, 32,102.16 and 15,711.88

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Solution

The fourth proportional to 23,255.32, 32,102.16 and 15,711.88 is: 21,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,255.32 : 32,102.16 = 15,711.88 : x
  2. Step 2: Convert to fraction form
    23,255.32/32,102.16 = 15,711.88/x
  3. Step 3: Cross multiply
    23,255.32x = 32,102.16 × 15,711.88
  4. Step 4: Simplify right side
    23,255.32x = 504,385,285.66
  5. Step 5: Solve for x
    x = 504,385,285.66/23,255.32
  6. Step 6: Final answer
    x = 21,689.03

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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.