Home / 18,965.76-26,177.92-11,010.48

Finding the Fourth Proportional to 18,965.76, 26,177.92 and 11,010.48

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Solution

The fourth proportional to 18,965.76, 26,177.92 and 11,010.48 is: 15,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.76 : 26,177.92 = 11,010.48 : x
  2. Step 2: Convert to fraction form
    18,965.76/26,177.92 = 11,010.48/x
  3. Step 3: Cross multiply
    18,965.76x = 26,177.92 × 11,010.48
  4. Step 4: Simplify right side
    18,965.76x = 288,231,464.60
  5. Step 5: Solve for x
    x = 288,231,464.60/18,965.76
  6. Step 6: Final answer
    x = 15,197.46

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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.