Home / 22,036.26-30,415.44-13,540.44

Finding the Fourth Proportional to 22,036.26, 30,415.44 and 13,540.44

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Solution

The fourth proportional to 22,036.26, 30,415.44 and 13,540.44 is: 18,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.26 : 30,415.44 = 13,540.44 : x
  2. Step 2: Convert to fraction form
    22,036.26/30,415.44 = 13,540.44/x
  3. Step 3: Cross multiply
    22,036.26x = 30,415.44 × 13,540.44
  4. Step 4: Simplify right side
    22,036.26x = 411,838,440.39
  5. Step 5: Solve for x
    x = 411,838,440.39/22,036.26
  6. Step 6: Final answer
    x = 18,689.13

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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.