Home / 18,691.32-25,793.70-10,193.51

Finding the Fourth Proportional to 18,691.32, 25,793.70 and 10,193.51

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Solution

The fourth proportional to 18,691.32, 25,793.70 and 10,193.51 is: 14,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.32 : 25,793.70 = 10,193.51 : x
  2. Step 2: Convert to fraction form
    18,691.32/25,793.70 = 10,193.51/x
  3. Step 3: Cross multiply
    18,691.32x = 25,793.70 × 10,193.51
  4. Step 4: Simplify right side
    18,691.32x = 262,928,338.89
  5. Step 5: Solve for x
    x = 262,928,338.89/18,691.32
  6. Step 6: Final answer
    x = 14,066.87

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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.