Home / 26,724.20-36,882.14-15,394.12

Finding the Fourth Proportional to 26,724.20, 36,882.14 and 15,394.12

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Solution

The fourth proportional to 26,724.20, 36,882.14 and 15,394.12 is: 21,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.20 : 36,882.14 = 15,394.12 : x
  2. Step 2: Convert to fraction form
    26,724.20/36,882.14 = 15,394.12/x
  3. Step 3: Cross multiply
    26,724.20x = 36,882.14 × 15,394.12
  4. Step 4: Simplify right side
    26,724.20x = 567,767,919.84
  5. Step 5: Solve for x
    x = 567,767,919.84/26,724.20
  6. Step 6: Final answer
    x = 21,245.46

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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.