Home / 18,502.28-27,751.62-10,179.56

Finding the Fourth Proportional to 18,502.28, 27,751.62 and 10,179.56

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Solution

The fourth proportional to 18,502.28, 27,751.62 and 10,179.56 is: 15,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.28 : 27,751.62 = 10,179.56 : x
  2. Step 2: Convert to fraction form
    18,502.28/27,751.62 = 10,179.56/x
  3. Step 3: Cross multiply
    18,502.28x = 27,751.62 × 10,179.56
  4. Step 4: Simplify right side
    18,502.28x = 282,499,280.89
  5. Step 5: Solve for x
    x = 282,499,280.89/18,502.28
  6. Step 6: Final answer
    x = 15,268.35

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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.