Home / 18,917.16-26,098.92-10,955.04

Finding the Fourth Proportional to 18,917.16, 26,098.92 and 10,955.04

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Solution

The fourth proportional to 18,917.16, 26,098.92 and 10,955.04 is: 15,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.16 : 26,098.92 = 10,955.04 : x
  2. Step 2: Convert to fraction form
    18,917.16/26,098.92 = 10,955.04/x
  3. Step 3: Cross multiply
    18,917.16x = 26,098.92 × 10,955.04
  4. Step 4: Simplify right side
    18,917.16x = 285,914,712.56
  5. Step 5: Solve for x
    x = 285,914,712.56/18,917.16
  6. Step 6: Final answer
    x = 15,114.04

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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.