Home / 18,100.75-27,151.14-10,293.16

Finding the Fourth Proportional to 18,100.75, 27,151.14 and 10,293.16

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Solution

The fourth proportional to 18,100.75, 27,151.14 and 10,293.16 is: 15,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.75 : 27,151.14 = 10,293.16 : x
  2. Step 2: Convert to fraction form
    18,100.75/27,151.14 = 10,293.16/x
  3. Step 3: Cross multiply
    18,100.75x = 27,151.14 × 10,293.16
  4. Step 4: Simplify right side
    18,100.75x = 279,470,934.59
  5. Step 5: Solve for x
    x = 279,470,934.59/18,100.75
  6. Step 6: Final answer
    x = 15,439.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.