Home / 18,148.54-25,034.12-11,422.49

Finding the Fourth Proportional to 18,148.54, 25,034.12 and 11,422.49

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Solution

The fourth proportional to 18,148.54, 25,034.12 and 11,422.49 is: 15,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.54 : 25,034.12 = 11,422.49 : x
  2. Step 2: Convert to fraction form
    18,148.54/25,034.12 = 11,422.49/x
  3. Step 3: Cross multiply
    18,148.54x = 25,034.12 × 11,422.49
  4. Step 4: Simplify right side
    18,148.54x = 285,952,013.92
  5. Step 5: Solve for x
    x = 285,952,013.92/18,148.54
  6. Step 6: Final answer
    x = 15,756.20

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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.