Home / 22,694.96-31,319.04-12,623.12

Finding the Fourth Proportional to 22,694.96, 31,319.04 and 12,623.12

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Solution

The fourth proportional to 22,694.96, 31,319.04 and 12,623.12 is: 17,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.96 : 31,319.04 = 12,623.12 : x
  2. Step 2: Convert to fraction form
    22,694.96/31,319.04 = 12,623.12/x
  3. Step 3: Cross multiply
    22,694.96x = 31,319.04 × 12,623.12
  4. Step 4: Simplify right side
    22,694.96x = 395,344,000.20
  5. Step 5: Solve for x
    x = 395,344,000.20/22,694.96
  6. Step 6: Final answer
    x = 17,419.90

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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.