Home / 13,514.16-20,257.68-5,605.92

Finding the Fourth Proportional to 13,514.16, 20,257.68 and 5,605.92

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Solution

The fourth proportional to 13,514.16, 20,257.68 and 5,605.92 is: 8,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.16 : 20,257.68 = 5,605.92 : x
  2. Step 2: Convert to fraction form
    13,514.16/20,257.68 = 5,605.92/x
  3. Step 3: Cross multiply
    13,514.16x = 20,257.68 × 5,605.92
  4. Step 4: Simplify right side
    13,514.16x = 113,562,933.47
  5. Step 5: Solve for x
    x = 113,562,933.47/13,514.16
  6. Step 6: Final answer
    x = 8,403.26

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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.