Home / 18,836.32-25,993.20-11,282.96

Finding the Fourth Proportional to 18,836.32, 25,993.20 and 11,282.96

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Solution

The fourth proportional to 18,836.32, 25,993.20 and 11,282.96 is: 15,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.32 : 25,993.20 = 11,282.96 : x
  2. Step 2: Convert to fraction form
    18,836.32/25,993.20 = 11,282.96/x
  3. Step 3: Cross multiply
    18,836.32x = 25,993.20 × 11,282.96
  4. Step 4: Simplify right side
    18,836.32x = 293,280,235.87
  5. Step 5: Solve for x
    x = 293,280,235.87/18,836.32
  6. Step 6: Final answer
    x = 15,569.93

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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.