Home / 18,932.15-26,125.43-10,976.96

Finding the Fourth Proportional to 18,932.15, 26,125.43 and 10,976.96

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Solution

The fourth proportional to 18,932.15, 26,125.43 and 10,976.96 is: 15,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.15 : 26,125.43 = 10,976.96 : x
  2. Step 2: Convert to fraction form
    18,932.15/26,125.43 = 10,976.96/x
  3. Step 3: Cross multiply
    18,932.15x = 26,125.43 × 10,976.96
  4. Step 4: Simplify right side
    18,932.15x = 286,777,614.58
  5. Step 5: Solve for x
    x = 286,777,614.58/18,932.15
  6. Step 6: Final answer
    x = 15,147.66

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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.