Home / 18,868.64-26,046.78-11,793.56

Finding the Fourth Proportional to 18,868.64, 26,046.78 and 11,793.56

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Solution

The fourth proportional to 18,868.64, 26,046.78 and 11,793.56 is: 16,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.64 : 26,046.78 = 11,793.56 : x
  2. Step 2: Convert to fraction form
    18,868.64/26,046.78 = 11,793.56/x
  3. Step 3: Cross multiply
    18,868.64x = 26,046.78 × 11,793.56
  4. Step 4: Simplify right side
    18,868.64x = 307,184,262.74
  5. Step 5: Solve for x
    x = 307,184,262.74/18,868.64
  6. Step 6: Final answer
    x = 16,280.15

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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.