Home / 19,209.62-26,515.89-11,254.42

Finding the Fourth Proportional to 19,209.62, 26,515.89 and 11,254.42

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Solution

The fourth proportional to 19,209.62, 26,515.89 and 11,254.42 is: 15,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.62 : 26,515.89 = 11,254.42 : x
  2. Step 2: Convert to fraction form
    19,209.62/26,515.89 = 11,254.42/x
  3. Step 3: Cross multiply
    19,209.62x = 26,515.89 × 11,254.42
  4. Step 4: Simplify right side
    19,209.62x = 298,420,962.73
  5. Step 5: Solve for x
    x = 298,420,962.73/19,209.62
  6. Step 6: Final answer
    x = 15,534.97

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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.