Home / 15,976.38-22,047.12-8,708.54

Finding the Fourth Proportional to 15,976.38, 22,047.12 and 8,708.54

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Solution

The fourth proportional to 15,976.38, 22,047.12 and 8,708.54 is: 12,017.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.38 : 22,047.12 = 8,708.54 : x
  2. Step 2: Convert to fraction form
    15,976.38/22,047.12 = 8,708.54/x
  3. Step 3: Cross multiply
    15,976.38x = 22,047.12 × 8,708.54
  4. Step 4: Simplify right side
    15,976.38x = 191,998,178.18
  5. Step 5: Solve for x
    x = 191,998,178.18/15,976.38
  6. Step 6: Final answer
    x = 12,017.63

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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.