Home / 18,364.31-25,342.65-10,408.04

Finding the Fourth Proportional to 18,364.31, 25,342.65 and 10,408.04

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Solution

The fourth proportional to 18,364.31, 25,342.65 and 10,408.04 is: 14,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.31 : 25,342.65 = 10,408.04 : x
  2. Step 2: Convert to fraction form
    18,364.31/25,342.65 = 10,408.04/x
  3. Step 3: Cross multiply
    18,364.31x = 25,342.65 × 10,408.04
  4. Step 4: Simplify right side
    18,364.31x = 263,767,314.91
  5. Step 5: Solve for x
    x = 263,767,314.91/18,364.31
  6. Step 6: Final answer
    x = 14,363.04

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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.