Home / 13,363.38-18,441.09-7,394.85

Finding the Fourth Proportional to 13,363.38, 18,441.09 and 7,394.85

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Solution

The fourth proportional to 13,363.38, 18,441.09 and 7,394.85 is: 10,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.38 : 18,441.09 = 7,394.85 : x
  2. Step 2: Convert to fraction form
    13,363.38/18,441.09 = 7,394.85/x
  3. Step 3: Cross multiply
    13,363.38x = 18,441.09 × 7,394.85
  4. Step 4: Simplify right side
    13,363.38x = 136,369,094.39
  5. Step 5: Solve for x
    x = 136,369,094.39/13,363.38
  6. Step 6: Final answer
    x = 10,204.69

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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.