Home / 22,713.24-31,317.45-15,546.61

Finding the Fourth Proportional to 22,713.24, 31,317.45 and 15,546.61

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Solution

The fourth proportional to 22,713.24, 31,317.45 and 15,546.61 is: 21,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.24 : 31,317.45 = 15,546.61 : x
  2. Step 2: Convert to fraction form
    22,713.24/31,317.45 = 15,546.61/x
  3. Step 3: Cross multiply
    22,713.24x = 31,317.45 × 15,546.61
  4. Step 4: Simplify right side
    22,713.24x = 486,880,181.34
  5. Step 5: Solve for x
    x = 486,880,181.34/22,713.24
  6. Step 6: Final answer
    x = 21,435.96

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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.