Home / 17,965.58-26,948.42-6,278.80

Finding the Fourth Proportional to 17,965.58, 26,948.42 and 6,278.80

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Solution

The fourth proportional to 17,965.58, 26,948.42 and 6,278.80 is: 9,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.58 : 26,948.42 = 6,278.80 : x
  2. Step 2: Convert to fraction form
    17,965.58/26,948.42 = 6,278.80/x
  3. Step 3: Cross multiply
    17,965.58x = 26,948.42 × 6,278.80
  4. Step 4: Simplify right side
    17,965.58x = 169,203,739.50
  5. Step 5: Solve for x
    x = 169,203,739.50/17,965.58
  6. Step 6: Final answer
    x = 9,418.22

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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.