Home / 14,251.49-19,667.03-7,963.87

Finding the Fourth Proportional to 14,251.49, 19,667.03 and 7,963.87

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Solution

The fourth proportional to 14,251.49, 19,667.03 and 7,963.87 is: 10,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.49 : 19,667.03 = 7,963.87 : x
  2. Step 2: Convert to fraction form
    14,251.49/19,667.03 = 7,963.87/x
  3. Step 3: Cross multiply
    14,251.49x = 19,667.03 × 7,963.87
  4. Step 4: Simplify right side
    14,251.49x = 156,625,532.05
  5. Step 5: Solve for x
    x = 156,625,532.05/14,251.49
  6. Step 6: Final answer
    x = 10,990.12

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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.