Home / 17,847.38-24,629.91-9,890.12

Finding the Fourth Proportional to 17,847.38, 24,629.91 and 9,890.12

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Solution

The fourth proportional to 17,847.38, 24,629.91 and 9,890.12 is: 13,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847.38 : 24,629.91 = 9,890.12 : x
  2. Step 2: Convert to fraction form
    17,847.38/24,629.91 = 9,890.12/x
  3. Step 3: Cross multiply
    17,847.38x = 24,629.91 × 9,890.12
  4. Step 4: Simplify right side
    17,847.38x = 243,592,789.98
  5. Step 5: Solve for x
    x = 243,592,789.98/17,847.38
  6. Step 6: Final answer
    x = 13,648.66

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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.