Home / 18,523.46-25,562.98-10,139.96

Finding the Fourth Proportional to 18,523.46, 25,562.98 and 10,139.96

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Solution

The fourth proportional to 18,523.46, 25,562.98 and 10,139.96 is: 13,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.46 : 25,562.98 = 10,139.96 : x
  2. Step 2: Convert to fraction form
    18,523.46/25,562.98 = 10,139.96/x
  3. Step 3: Cross multiply
    18,523.46x = 25,562.98 × 10,139.96
  4. Step 4: Simplify right side
    18,523.46x = 259,207,594.68
  5. Step 5: Solve for x
    x = 259,207,594.68/18,523.46
  6. Step 6: Final answer
    x = 13,993.48

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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.