Home / 18,523.55-25,560.87-10,456.76

Finding the Fourth Proportional to 18,523.55, 25,560.87 and 10,456.76

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Solution

The fourth proportional to 18,523.55, 25,560.87 and 10,456.76 is: 14,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.55 : 25,560.87 = 10,456.76 : x
  2. Step 2: Convert to fraction form
    18,523.55/25,560.87 = 10,456.76/x
  3. Step 3: Cross multiply
    18,523.55x = 25,560.87 × 10,456.76
  4. Step 4: Simplify right side
    18,523.55x = 267,283,755.18
  5. Step 5: Solve for x
    x = 267,283,755.18/18,523.55
  6. Step 6: Final answer
    x = 14,429.41

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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.