Home / 22,522.22-31,080.66-12,313.29

Finding the Fourth Proportional to 22,522.22, 31,080.66 and 12,313.29

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Solution

The fourth proportional to 22,522.22, 31,080.66 and 12,313.29 is: 16,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.22 : 31,080.66 = 12,313.29 : x
  2. Step 2: Convert to fraction form
    22,522.22/31,080.66 = 12,313.29/x
  3. Step 3: Cross multiply
    22,522.22x = 31,080.66 × 12,313.29
  4. Step 4: Simplify right side
    22,522.22x = 382,705,179.97
  5. Step 5: Solve for x
    x = 382,705,179.97/22,522.22
  6. Step 6: Final answer
    x = 16,992.34

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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.