Home / 22,524.44-31,080.55-12,960.69

Finding the Fourth Proportional to 22,524.44, 31,080.55 and 12,960.69

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Solution

The fourth proportional to 22,524.44, 31,080.55 and 12,960.69 is: 17,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524.44 : 31,080.55 = 12,960.69 : x
  2. Step 2: Convert to fraction form
    22,524.44/31,080.55 = 12,960.69/x
  3. Step 3: Cross multiply
    22,524.44x = 31,080.55 × 12,960.69
  4. Step 4: Simplify right side
    22,524.44x = 402,825,373.58
  5. Step 5: Solve for x
    x = 402,825,373.58/22,524.44
  6. Step 6: Final answer
    x = 17,883.92

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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.