Home / 17,866.22-24,660.20-11,147.88

Finding the Fourth Proportional to 17,866.22, 24,660.20 and 11,147.88

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Solution

The fourth proportional to 17,866.22, 24,660.20 and 11,147.88 is: 15,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.22 : 24,660.20 = 11,147.88 : x
  2. Step 2: Convert to fraction form
    17,866.22/24,660.20 = 11,147.88/x
  3. Step 3: Cross multiply
    17,866.22x = 24,660.20 × 11,147.88
  4. Step 4: Simplify right side
    17,866.22x = 274,908,978.25
  5. Step 5: Solve for x
    x = 274,908,978.25/17,866.22
  6. Step 6: Final answer
    x = 15,387.08

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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.