Home / 18,540.41-25,585.80-10,042.49

Finding the Fourth Proportional to 18,540.41, 25,585.80 and 10,042.49

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Solution

The fourth proportional to 18,540.41, 25,585.80 and 10,042.49 is: 13,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.41 : 25,585.80 = 10,042.49 : x
  2. Step 2: Convert to fraction form
    18,540.41/25,585.80 = 10,042.49/x
  3. Step 3: Cross multiply
    18,540.41x = 25,585.80 × 10,042.49
  4. Step 4: Simplify right side
    18,540.41x = 256,945,204.61
  5. Step 5: Solve for x
    x = 256,945,204.61/18,540.41
  6. Step 6: Final answer
    x = 13,858.66

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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.