Home / 14,334.35-19,781.13-7,960.97

Finding the Fourth Proportional to 14,334.35, 19,781.13 and 7,960.97

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Solution

The fourth proportional to 14,334.35, 19,781.13 and 7,960.97 is: 10,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.35 : 19,781.13 = 7,960.97 : x
  2. Step 2: Convert to fraction form
    14,334.35/19,781.13 = 7,960.97/x
  3. Step 3: Cross multiply
    14,334.35x = 19,781.13 × 7,960.97
  4. Step 4: Simplify right side
    14,334.35x = 157,476,883.59
  5. Step 5: Solve for x
    x = 157,476,883.59/14,334.35
  6. Step 6: Final answer
    x = 10,985.98

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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.