Home / 17,126.24-25,686.12-5,439.56

Finding the Fourth Proportional to 17,126.24, 25,686.12 and 5,439.56

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Solution

The fourth proportional to 17,126.24, 25,686.12 and 5,439.56 is: 8,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.24 : 25,686.12 = 5,439.56 : x
  2. Step 2: Convert to fraction form
    17,126.24/25,686.12 = 5,439.56/x
  3. Step 3: Cross multiply
    17,126.24x = 25,686.12 × 5,439.56
  4. Step 4: Simplify right side
    17,126.24x = 139,721,190.91
  5. Step 5: Solve for x
    x = 139,721,190.91/17,126.24
  6. Step 6: Final answer
    x = 8,158.31

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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.