Home / 26,019.88-39,031.50-9,150.82

Finding the Fourth Proportional to 26,019.88, 39,031.50 and 9,150.82

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Solution

The fourth proportional to 26,019.88, 39,031.50 and 9,150.82 is: 13,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.88 : 39,031.50 = 9,150.82 : x
  2. Step 2: Convert to fraction form
    26,019.88/39,031.50 = 9,150.82/x
  3. Step 3: Cross multiply
    26,019.88x = 39,031.50 × 9,150.82
  4. Step 4: Simplify right side
    26,019.88x = 357,170,230.83
  5. Step 5: Solve for x
    x = 357,170,230.83/26,019.88
  6. Step 6: Final answer
    x = 13,726.82

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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.