Home / 14,169.38-19,553.74-7,881.75

Finding the Fourth Proportional to 14,169.38, 19,553.74 and 7,881.75

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Solution

The fourth proportional to 14,169.38, 19,553.74 and 7,881.75 is: 10,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.38 : 19,553.74 = 7,881.75 : x
  2. Step 2: Convert to fraction form
    14,169.38/19,553.74 = 7,881.75/x
  3. Step 3: Cross multiply
    14,169.38x = 19,553.74 × 7,881.75
  4. Step 4: Simplify right side
    14,169.38x = 154,117,670.54
  5. Step 5: Solve for x
    x = 154,117,670.54/14,169.38
  6. Step 6: Final answer
    x = 10,876.82

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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.