Home / 15,979.68-22,050.84-9,174.48

Finding the Fourth Proportional to 15,979.68, 22,050.84 and 9,174.48

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Solution

The fourth proportional to 15,979.68, 22,050.84 and 9,174.48 is: 12,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.68 : 22,050.84 = 9,174.48 : x
  2. Step 2: Convert to fraction form
    15,979.68/22,050.84 = 9,174.48/x
  3. Step 3: Cross multiply
    15,979.68x = 22,050.84 × 9,174.48
  4. Step 4: Simplify right side
    15,979.68x = 202,304,990.56
  5. Step 5: Solve for x
    x = 202,304,990.56/15,979.68
  6. Step 6: Final answer
    x = 12,660.14

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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.