Home / 13,305.62-19,967.31-5,514.43

Finding the Fourth Proportional to 13,305.62, 19,967.31 and 5,514.43

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Solution

The fourth proportional to 13,305.62, 19,967.31 and 5,514.43 is: 8,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.62 : 19,967.31 = 5,514.43 : x
  2. Step 2: Convert to fraction form
    13,305.62/19,967.31 = 5,514.43/x
  3. Step 3: Cross multiply
    13,305.62x = 19,967.31 × 5,514.43
  4. Step 4: Simplify right side
    13,305.62x = 110,108,320.80
  5. Step 5: Solve for x
    x = 110,108,320.80/13,305.62
  6. Step 6: Final answer
    x = 8,275.33

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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.