Home / 18,517.74-25,555.85-10,560.16

Finding the Fourth Proportional to 18,517.74, 25,555.85 and 10,560.16

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Solution

The fourth proportional to 18,517.74, 25,555.85 and 10,560.16 is: 14,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.74 : 25,555.85 = 10,560.16 : x
  2. Step 2: Convert to fraction form
    18,517.74/25,555.85 = 10,560.16/x
  3. Step 3: Cross multiply
    18,517.74x = 25,555.85 × 10,560.16
  4. Step 4: Simplify right side
    18,517.74x = 269,873,864.94
  5. Step 5: Solve for x
    x = 269,873,864.94/18,517.74
  6. Step 6: Final answer
    x = 14,573.80

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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.