Home / 27,581.88-38,062.82-15,006.68

Finding the Fourth Proportional to 27,581.88, 38,062.82 and 15,006.68

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Solution

The fourth proportional to 27,581.88, 38,062.82 and 15,006.68 is: 20,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.88 : 38,062.82 = 15,006.68 : x
  2. Step 2: Convert to fraction form
    27,581.88/38,062.82 = 15,006.68/x
  3. Step 3: Cross multiply
    27,581.88x = 38,062.82 × 15,006.68
  4. Step 4: Simplify right side
    27,581.88x = 571,196,559.64
  5. Step 5: Solve for x
    x = 571,196,559.64/27,581.88
  6. Step 6: Final answer
    x = 20,709.12

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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.