Home / 13,040.28-17,967.42-8,841.24

Finding the Fourth Proportional to 13,040.28, 17,967.42 and 8,841.24

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Solution

The fourth proportional to 13,040.28, 17,967.42 and 8,841.24 is: 12,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.28 : 17,967.42 = 8,841.24 : x
  2. Step 2: Convert to fraction form
    13,040.28/17,967.42 = 8,841.24/x
  3. Step 3: Cross multiply
    13,040.28x = 17,967.42 × 8,841.24
  4. Step 4: Simplify right side
    13,040.28x = 158,854,272.40
  5. Step 5: Solve for x
    x = 158,854,272.40/13,040.28
  6. Step 6: Final answer
    x = 12,181.81

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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.