Home / 27,672.68-38,202.42-18,767.24

Finding the Fourth Proportional to 27,672.68, 38,202.42 and 18,767.24

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Solution

The fourth proportional to 27,672.68, 38,202.42 and 18,767.24 is: 25,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.68 : 38,202.42 = 18,767.24 : x
  2. Step 2: Convert to fraction form
    27,672.68/38,202.42 = 18,767.24/x
  3. Step 3: Cross multiply
    27,672.68x = 38,202.42 × 18,767.24
  4. Step 4: Simplify right side
    27,672.68x = 716,953,984.72
  5. Step 5: Solve for x
    x = 716,953,984.72/27,672.68
  6. Step 6: Final answer
    x = 25,908.37

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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.