Home / 15,948.24-21,993.30-12,164.68

Finding the Fourth Proportional to 15,948.24, 21,993.30 and 12,164.68

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Solution

The fourth proportional to 15,948.24, 21,993.30 and 12,164.68 is: 16,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.24 : 21,993.30 = 12,164.68 : x
  2. Step 2: Convert to fraction form
    15,948.24/21,993.30 = 12,164.68/x
  3. Step 3: Cross multiply
    15,948.24x = 21,993.30 × 12,164.68
  4. Step 4: Simplify right side
    15,948.24x = 267,541,456.64
  5. Step 5: Solve for x
    x = 267,541,456.64/15,948.24
  6. Step 6: Final answer
    x = 16,775.61

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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.