Home / 22,242.64-30,694.86-12,170.92

Finding the Fourth Proportional to 22,242.64, 30,694.86 and 12,170.92

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Solution

The fourth proportional to 22,242.64, 30,694.86 and 12,170.92 is: 16,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.64 : 30,694.86 = 12,170.92 : x
  2. Step 2: Convert to fraction form
    22,242.64/30,694.86 = 12,170.92/x
  3. Step 3: Cross multiply
    22,242.64x = 30,694.86 × 12,170.92
  4. Step 4: Simplify right side
    22,242.64x = 373,584,685.47
  5. Step 5: Solve for x
    x = 373,584,685.47/22,242.64
  6. Step 6: Final answer
    x = 16,795.88

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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.