Home / 22,036.82-30,411.13-11,965.28

Finding the Fourth Proportional to 22,036.82, 30,411.13 and 11,965.28

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Solution

The fourth proportional to 22,036.82, 30,411.13 and 11,965.28 is: 16,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.82 : 30,411.13 = 11,965.28 : x
  2. Step 2: Convert to fraction form
    22,036.82/30,411.13 = 11,965.28/x
  3. Step 3: Cross multiply
    22,036.82x = 30,411.13 × 11,965.28
  4. Step 4: Simplify right side
    22,036.82x = 363,877,685.57
  5. Step 5: Solve for x
    x = 363,877,685.57/22,036.82
  6. Step 6: Final answer
    x = 16,512.26

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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.