Home / 27,855.20-41,780.56-13,060.32

Finding the Fourth Proportional to 27,855.20, 41,780.56 and 13,060.32

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Solution

The fourth proportional to 27,855.20, 41,780.56 and 13,060.32 is: 19,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855.20 : 41,780.56 = 13,060.32 : x
  2. Step 2: Convert to fraction form
    27,855.20/41,780.56 = 13,060.32/x
  3. Step 3: Cross multiply
    27,855.20x = 41,780.56 × 13,060.32
  4. Step 4: Simplify right side
    27,855.20x = 545,667,483.38
  5. Step 5: Solve for x
    x = 545,667,483.38/27,855.20
  6. Step 6: Final answer
    x = 19,589.43

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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.