Home / 19,141.68-28,690.65-11,751.44

Finding the Fourth Proportional to 19,141.68, 28,690.65 and 11,751.44

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Solution

The fourth proportional to 19,141.68, 28,690.65 and 11,751.44 is: 17,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.68 : 28,690.65 = 11,751.44 : x
  2. Step 2: Convert to fraction form
    19,141.68/28,690.65 = 11,751.44/x
  3. Step 3: Cross multiply
    19,141.68x = 28,690.65 × 11,751.44
  4. Step 4: Simplify right side
    19,141.68x = 337,156,452.04
  5. Step 5: Solve for x
    x = 337,156,452.04/19,141.68
  6. Step 6: Final answer
    x = 17,613.73

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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.