Home / 14,079.38-19,424.82-8,110.91

Finding the Fourth Proportional to 14,079.38, 19,424.82 and 8,110.91

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Solution

The fourth proportional to 14,079.38, 19,424.82 and 8,110.91 is: 11,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.38 : 19,424.82 = 8,110.91 : x
  2. Step 2: Convert to fraction form
    14,079.38/19,424.82 = 8,110.91/x
  3. Step 3: Cross multiply
    14,079.38x = 19,424.82 × 8,110.91
  4. Step 4: Simplify right side
    14,079.38x = 157,552,869.66
  5. Step 5: Solve for x
    x = 157,552,869.66/14,079.38
  6. Step 6: Final answer
    x = 11,190.33

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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.