Home / 17,132.48-25,700.88-7,278.56

Finding the Fourth Proportional to 17,132.48, 25,700.88 and 7,278.56

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Solution

The fourth proportional to 17,132.48, 25,700.88 and 7,278.56 is: 10,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.48 : 25,700.88 = 7,278.56 : x
  2. Step 2: Convert to fraction form
    17,132.48/25,700.88 = 7,278.56/x
  3. Step 3: Cross multiply
    17,132.48x = 25,700.88 × 7,278.56
  4. Step 4: Simplify right side
    17,132.48x = 187,065,397.13
  5. Step 5: Solve for x
    x = 187,065,397.13/17,132.48
  6. Step 6: Final answer
    x = 10,918.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.