Home / 14,769.75-22,161.15-7,748.09

Finding the Fourth Proportional to 14,769.75, 22,161.15 and 7,748.09

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Solution

The fourth proportional to 14,769.75, 22,161.15 and 7,748.09 is: 11,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.75 : 22,161.15 = 7,748.09 : x
  2. Step 2: Convert to fraction form
    14,769.75/22,161.15 = 7,748.09/x
  3. Step 3: Cross multiply
    14,769.75x = 22,161.15 × 7,748.09
  4. Step 4: Simplify right side
    14,769.75x = 171,706,473.90
  5. Step 5: Solve for x
    x = 171,706,473.90/14,769.75
  6. Step 6: Final answer
    x = 11,625.55

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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.