Home / 23,266.61-34,844.19-12,720.80

Finding the Fourth Proportional to 23,266.61, 34,844.19 and 12,720.80

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Solution

The fourth proportional to 23,266.61, 34,844.19 and 12,720.80 is: 19,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,266.61 : 34,844.19 = 12,720.80 : x
  2. Step 2: Convert to fraction form
    23,266.61/34,844.19 = 12,720.80/x
  3. Step 3: Cross multiply
    23,266.61x = 34,844.19 × 12,720.80
  4. Step 4: Simplify right side
    23,266.61x = 443,245,972.15
  5. Step 5: Solve for x
    x = 443,245,972.15/23,266.61
  6. Step 6: Final answer
    x = 19,050.73

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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.