Home / 18,878.43-26,052.33-10,381.10

Finding the Fourth Proportional to 18,878.43, 26,052.33 and 10,381.10

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Solution

The fourth proportional to 18,878.43, 26,052.33 and 10,381.10 is: 14,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.43 : 26,052.33 = 10,381.10 : x
  2. Step 2: Convert to fraction form
    18,878.43/26,052.33 = 10,381.10/x
  3. Step 3: Cross multiply
    18,878.43x = 26,052.33 × 10,381.10
  4. Step 4: Simplify right side
    18,878.43x = 270,451,842.96
  5. Step 5: Solve for x
    x = 270,451,842.96/18,878.43
  6. Step 6: Final answer
    x = 14,325.97

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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.