Home / 17,949.88-24,770.28-9,991.93

Finding the Fourth Proportional to 17,949.88, 24,770.28 and 9,991.93

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Solution

The fourth proportional to 17,949.88, 24,770.28 and 9,991.93 is: 13,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.88 : 24,770.28 = 9,991.93 : x
  2. Step 2: Convert to fraction form
    17,949.88/24,770.28 = 9,991.93/x
  3. Step 3: Cross multiply
    17,949.88x = 24,770.28 × 9,991.93
  4. Step 4: Simplify right side
    17,949.88x = 247,502,903.84
  5. Step 5: Solve for x
    x = 247,502,903.84/17,949.88
  6. Step 6: Final answer
    x = 13,788.55

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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.