Home / 20,254.44-27,950.76-11,301.78

Finding the Fourth Proportional to 20,254.44, 27,950.76 and 11,301.78

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Solution

The fourth proportional to 20,254.44, 27,950.76 and 11,301.78 is: 15,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.44 : 27,950.76 = 11,301.78 : x
  2. Step 2: Convert to fraction form
    20,254.44/27,950.76 = 11,301.78/x
  3. Step 3: Cross multiply
    20,254.44x = 27,950.76 × 11,301.78
  4. Step 4: Simplify right side
    20,254.44x = 315,893,340.35
  5. Step 5: Solve for x
    x = 315,893,340.35/20,254.44
  6. Step 6: Final answer
    x = 15,596.25

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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.