Home / 17,039.47-23,514.99-9,278.79

Finding the Fourth Proportional to 17,039.47, 23,514.99 and 9,278.79

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Solution

The fourth proportional to 17,039.47, 23,514.99 and 9,278.79 is: 12,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.47 : 23,514.99 = 9,278.79 : x
  2. Step 2: Convert to fraction form
    17,039.47/23,514.99 = 9,278.79/x
  3. Step 3: Cross multiply
    17,039.47x = 23,514.99 × 9,278.79
  4. Step 4: Simplify right side
    17,039.47x = 218,190,742.24
  5. Step 5: Solve for x
    x = 218,190,742.24/17,039.47
  6. Step 6: Final answer
    x = 12,805.02

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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.