Home / 15,514.70-21,403.44-9,544.19

Finding the Fourth Proportional to 15,514.70, 21,403.44 and 9,544.19

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Solution

The fourth proportional to 15,514.70, 21,403.44 and 9,544.19 is: 13,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.70 : 21,403.44 = 9,544.19 : x
  2. Step 2: Convert to fraction form
    15,514.70/21,403.44 = 9,544.19/x
  3. Step 3: Cross multiply
    15,514.70x = 21,403.44 × 9,544.19
  4. Step 4: Simplify right side
    15,514.70x = 204,278,391.00
  5. Step 5: Solve for x
    x = 204,278,391.00/15,514.70
  6. Step 6: Final answer
    x = 13,166.77

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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.