Home / 13,105.44-18,073.16-10,116.56

Finding the Fourth Proportional to 13,105.44, 18,073.16 and 10,116.56

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Solution

The fourth proportional to 13,105.44, 18,073.16 and 10,116.56 is: 13,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.44 : 18,073.16 = 10,116.56 : x
  2. Step 2: Convert to fraction form
    13,105.44/18,073.16 = 10,116.56/x
  3. Step 3: Cross multiply
    13,105.44x = 18,073.16 × 10,116.56
  4. Step 4: Simplify right side
    13,105.44x = 182,838,207.53
  5. Step 5: Solve for x
    x = 182,838,207.53/13,105.44
  6. Step 6: Final answer
    x = 13,951.32

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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.