Home / 27,581.88-38,063.07-15,006.63

Finding the Fourth Proportional to 27,581.88, 38,063.07 and 15,006.63

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Solution

The fourth proportional to 27,581.88, 38,063.07 and 15,006.63 is: 20,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.88 : 38,063.07 = 15,006.63 : x
  2. Step 2: Convert to fraction form
    27,581.88/38,063.07 = 15,006.63/x
  3. Step 3: Cross multiply
    27,581.88x = 38,063.07 × 15,006.63
  4. Step 4: Simplify right side
    27,581.88x = 571,198,408.15
  5. Step 5: Solve for x
    x = 571,198,408.15/27,581.88
  6. Step 6: Final answer
    x = 20,709.19

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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.