Home / 19,515.44-29,273.11-15,079.55

Finding the Fourth Proportional to 19,515.44, 29,273.11 and 15,079.55

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Solution

The fourth proportional to 19,515.44, 29,273.11 and 15,079.55 is: 22,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.44 : 29,273.11 = 15,079.55 : x
  2. Step 2: Convert to fraction form
    19,515.44/29,273.11 = 15,079.55/x
  3. Step 3: Cross multiply
    19,515.44x = 29,273.11 × 15,079.55
  4. Step 4: Simplify right side
    19,515.44x = 441,425,141.84
  5. Step 5: Solve for x
    x = 441,425,141.84/19,515.44
  6. Step 6: Final answer
    x = 22,619.28

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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.