Home / 17,079.76-25,449.85-15,216.56

Finding the Fourth Proportional to 17,079.76, 25,449.85 and 15,216.56

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Solution

The fourth proportional to 17,079.76, 25,449.85 and 15,216.56 is: 22,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,079.76 : 25,449.85 = 15,216.56 : x
  2. Step 2: Convert to fraction form
    17,079.76/25,449.85 = 15,216.56/x
  3. Step 3: Cross multiply
    17,079.76x = 25,449.85 × 15,216.56
  4. Step 4: Simplify right side
    17,079.76x = 387,259,071.13
  5. Step 5: Solve for x
    x = 387,259,071.13/17,079.76
  6. Step 6: Final answer
    x = 22,673.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.