Home / 23,715.80-32,727.82-13,105.43

Finding the Fourth Proportional to 23,715.80, 32,727.82 and 13,105.43

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Solution

The fourth proportional to 23,715.80, 32,727.82 and 13,105.43 is: 18,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.80 : 32,727.82 = 13,105.43 : x
  2. Step 2: Convert to fraction form
    23,715.80/32,727.82 = 13,105.43/x
  3. Step 3: Cross multiply
    23,715.80x = 32,727.82 × 13,105.43
  4. Step 4: Simplify right side
    23,715.80x = 428,912,203.12
  5. Step 5: Solve for x
    x = 428,912,203.12/23,715.80
  6. Step 6: Final answer
    x = 18,085.51

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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.