Home / 18,839.47-26,001.17-11,286.12

Finding the Fourth Proportional to 18,839.47, 26,001.17 and 11,286.12

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Solution

The fourth proportional to 18,839.47, 26,001.17 and 11,286.12 is: 15,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.47 : 26,001.17 = 11,286.12 : x
  2. Step 2: Convert to fraction form
    18,839.47/26,001.17 = 11,286.12/x
  3. Step 3: Cross multiply
    18,839.47x = 26,001.17 × 11,286.12
  4. Step 4: Simplify right side
    18,839.47x = 293,452,213.15
  5. Step 5: Solve for x
    x = 293,452,213.15/18,839.47
  6. Step 6: Final answer
    x = 15,576.46

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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.