Home / 22,113.56-30,517.26-13,612.52

Finding the Fourth Proportional to 22,113.56, 30,517.26 and 13,612.52

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Solution

The fourth proportional to 22,113.56, 30,517.26 and 13,612.52 is: 18,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.56 : 30,517.26 = 13,612.52 : x
  2. Step 2: Convert to fraction form
    22,113.56/30,517.26 = 13,612.52/x
  3. Step 3: Cross multiply
    22,113.56x = 30,517.26 × 13,612.52
  4. Step 4: Simplify right side
    22,113.56x = 415,416,812.10
  5. Step 5: Solve for x
    x = 415,416,812.10/22,113.56
  6. Step 6: Final answer
    x = 18,785.61

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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.