Home / 22,599.75-31,187.66-13,170.14

Finding the Fourth Proportional to 22,599.75, 31,187.66 and 13,170.14

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Solution

The fourth proportional to 22,599.75, 31,187.66 and 13,170.14 is: 18,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.75 : 31,187.66 = 13,170.14 : x
  2. Step 2: Convert to fraction form
    22,599.75/31,187.66 = 13,170.14/x
  3. Step 3: Cross multiply
    22,599.75x = 31,187.66 × 13,170.14
  4. Step 4: Simplify right side
    22,599.75x = 410,745,626.68
  5. Step 5: Solve for x
    x = 410,745,626.68/22,599.75
  6. Step 6: Final answer
    x = 18,174.79

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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.