Home / 18,902.32-26,040.08-13,226.48

Finding the Fourth Proportional to 18,902.32, 26,040.08 and 13,226.48

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Solution

The fourth proportional to 18,902.32, 26,040.08 and 13,226.48 is: 18,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.32 : 26,040.08 = 13,226.48 : x
  2. Step 2: Convert to fraction form
    18,902.32/26,040.08 = 13,226.48/x
  3. Step 3: Cross multiply
    18,902.32x = 26,040.08 × 13,226.48
  4. Step 4: Simplify right side
    18,902.32x = 344,418,597.32
  5. Step 5: Solve for x
    x = 344,418,597.32/18,902.32
  6. Step 6: Final answer
    x = 18,220.97

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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.