Home / 15,976.40-22,047.36-9,265.92

Finding the Fourth Proportional to 15,976.40, 22,047.36 and 9,265.92

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Solution

The fourth proportional to 15,976.40, 22,047.36 and 9,265.92 is: 12,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.40 : 22,047.36 = 9,265.92 : x
  2. Step 2: Convert to fraction form
    15,976.40/22,047.36 = 9,265.92/x
  3. Step 3: Cross multiply
    15,976.40x = 22,047.36 × 9,265.92
  4. Step 4: Simplify right side
    15,976.40x = 204,289,073.97
  5. Step 5: Solve for x
    x = 204,289,073.97/15,976.40
  6. Step 6: Final answer
    x = 12,786.93

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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.