Home / 29,375.73-40,523.49-18,754.20

Finding the Fourth Proportional to 29,375.73, 40,523.49 and 18,754.20

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Solution

The fourth proportional to 29,375.73, 40,523.49 and 18,754.20 is: 25,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.73 : 40,523.49 = 18,754.20 : x
  2. Step 2: Convert to fraction form
    29,375.73/40,523.49 = 18,754.20/x
  3. Step 3: Cross multiply
    29,375.73x = 40,523.49 × 18,754.20
  4. Step 4: Simplify right side
    29,375.73x = 759,985,636.16
  5. Step 5: Solve for x
    x = 759,985,636.16/29,375.73
  6. Step 6: Final answer
    x = 25,871.21

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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.