Home / 22,429.77-30,952.44-12,871.26

Finding the Fourth Proportional to 22,429.77, 30,952.44 and 12,871.26

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Solution

The fourth proportional to 22,429.77, 30,952.44 and 12,871.26 is: 17,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.77 : 30,952.44 = 12,871.26 : x
  2. Step 2: Convert to fraction form
    22,429.77/30,952.44 = 12,871.26/x
  3. Step 3: Cross multiply
    22,429.77x = 30,952.44 × 12,871.26
  4. Step 4: Simplify right side
    22,429.77x = 398,396,902.87
  5. Step 5: Solve for x
    x = 398,396,902.87/22,429.77
  6. Step 6: Final answer
    x = 17,761.97

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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.