Home / 22,366.20-30,855.19-13,866.06

Finding the Fourth Proportional to 22,366.20, 30,855.19 and 13,866.06

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Solution

The fourth proportional to 22,366.20, 30,855.19 and 13,866.06 is: 19,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.20 : 30,855.19 = 13,866.06 : x
  2. Step 2: Convert to fraction form
    22,366.20/30,855.19 = 13,866.06/x
  3. Step 3: Cross multiply
    22,366.20x = 30,855.19 × 13,866.06
  4. Step 4: Simplify right side
    22,366.20x = 427,839,915.85
  5. Step 5: Solve for x
    x = 427,839,915.85/22,366.20
  6. Step 6: Final answer
    x = 19,128.86

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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.