Home / 22,154.56-30,565.92-12,716.48

Finding the Fourth Proportional to 22,154.56, 30,565.92 and 12,716.48

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Solution

The fourth proportional to 22,154.56, 30,565.92 and 12,716.48 is: 17,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.56 : 30,565.92 = 12,716.48 : x
  2. Step 2: Convert to fraction form
    22,154.56/30,565.92 = 12,716.48/x
  3. Step 3: Cross multiply
    22,154.56x = 30,565.92 × 12,716.48
  4. Step 4: Simplify right side
    22,154.56x = 388,690,910.36
  5. Step 5: Solve for x
    x = 388,690,910.36/22,154.56
  6. Step 6: Final answer
    x = 17,544.51

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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.