Home / 18,212.04-25,134.55-10,660.82

Finding the Fourth Proportional to 18,212.04, 25,134.55 and 10,660.82

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Solution

The fourth proportional to 18,212.04, 25,134.55 and 10,660.82 is: 14,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.04 : 25,134.55 = 10,660.82 : x
  2. Step 2: Convert to fraction form
    18,212.04/25,134.55 = 10,660.82/x
  3. Step 3: Cross multiply
    18,212.04x = 25,134.55 × 10,660.82
  4. Step 4: Simplify right side
    18,212.04x = 267,954,913.33
  5. Step 5: Solve for x
    x = 267,954,913.33/18,212.04
  6. Step 6: Final answer
    x = 14,713.06

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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.