Home / 23,711.16-32,721.80-13,100.80

Finding the Fourth Proportional to 23,711.16, 32,721.80 and 13,100.80

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Solution

The fourth proportional to 23,711.16, 32,721.80 and 13,100.80 is: 18,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,711.16 : 32,721.80 = 13,100.80 : x
  2. Step 2: Convert to fraction form
    23,711.16/32,721.80 = 13,100.80/x
  3. Step 3: Cross multiply
    23,711.16x = 32,721.80 × 13,100.80
  4. Step 4: Simplify right side
    23,711.16x = 428,681,757.44
  5. Step 5: Solve for x
    x = 428,681,757.44/23,711.16
  6. Step 6: Final answer
    x = 18,079.32

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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.