Home / 23,179.46-31,986.54-12,568.86

Finding the Fourth Proportional to 23,179.46, 31,986.54 and 12,568.86

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Solution

The fourth proportional to 23,179.46, 31,986.54 and 12,568.86 is: 17,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.46 : 31,986.54 = 12,568.86 : x
  2. Step 2: Convert to fraction form
    23,179.46/31,986.54 = 12,568.86/x
  3. Step 3: Cross multiply
    23,179.46x = 31,986.54 × 12,568.86
  4. Step 4: Simplify right side
    23,179.46x = 402,034,343.14
  5. Step 5: Solve for x
    x = 402,034,343.14/23,179.46
  6. Step 6: Final answer
    x = 17,344.43

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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.