Home / 13,766.52-18,997.02-7,799.66

Finding the Fourth Proportional to 13,766.52, 18,997.02 and 7,799.66

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Solution

The fourth proportional to 13,766.52, 18,997.02 and 7,799.66 is: 10,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.52 : 18,997.02 = 7,799.66 : x
  2. Step 2: Convert to fraction form
    13,766.52/18,997.02 = 7,799.66/x
  3. Step 3: Cross multiply
    13,766.52x = 18,997.02 × 7,799.66
  4. Step 4: Simplify right side
    13,766.52x = 148,170,297.01
  5. Step 5: Solve for x
    x = 148,170,297.01/13,766.52
  6. Step 6: Final answer
    x = 10,763.09

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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.