Home / 27,575.76-41,370.53-7,854.31

Finding the Fourth Proportional to 27,575.76, 41,370.53 and 7,854.31

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Solution

The fourth proportional to 27,575.76, 41,370.53 and 7,854.31 is: 11,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.76 : 41,370.53 = 7,854.31 : x
  2. Step 2: Convert to fraction form
    27,575.76/41,370.53 = 7,854.31/x
  3. Step 3: Cross multiply
    27,575.76x = 41,370.53 × 7,854.31
  4. Step 4: Simplify right side
    27,575.76x = 324,937,134.20
  5. Step 5: Solve for x
    x = 324,937,134.20/27,575.76
  6. Step 6: Final answer
    x = 11,783.43

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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.