Home / 14,228.97-21,342.13-6,331.87

Finding the Fourth Proportional to 14,228.97, 21,342.13 and 6,331.87

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Solution

The fourth proportional to 14,228.97, 21,342.13 and 6,331.87 is: 9,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.97 : 21,342.13 = 6,331.87 : x
  2. Step 2: Convert to fraction form
    14,228.97/21,342.13 = 6,331.87/x
  3. Step 3: Cross multiply
    14,228.97x = 21,342.13 × 6,331.87
  4. Step 4: Simplify right side
    14,228.97x = 135,135,639.15
  5. Step 5: Solve for x
    x = 135,135,639.15/14,228.97
  6. Step 6: Final answer
    x = 9,497.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.