Home / 14,115.83-19,480.05-7,743.04

Finding the Fourth Proportional to 14,115.83, 19,480.05 and 7,743.04

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Solution

The fourth proportional to 14,115.83, 19,480.05 and 7,743.04 is: 10,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.83 : 19,480.05 = 7,743.04 : x
  2. Step 2: Convert to fraction form
    14,115.83/19,480.05 = 7,743.04/x
  3. Step 3: Cross multiply
    14,115.83x = 19,480.05 × 7,743.04
  4. Step 4: Simplify right side
    14,115.83x = 150,834,757.65
  5. Step 5: Solve for x
    x = 150,834,757.65/14,115.83
  6. Step 6: Final answer
    x = 10,685.51

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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.