Home / 23,112.28-34,675.38-9,778.42

Finding the Fourth Proportional to 23,112.28, 34,675.38 and 9,778.42

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Solution

The fourth proportional to 23,112.28, 34,675.38 and 9,778.42 is: 14,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.28 : 34,675.38 = 9,778.42 : x
  2. Step 2: Convert to fraction form
    23,112.28/34,675.38 = 9,778.42/x
  3. Step 3: Cross multiply
    23,112.28x = 34,675.38 × 9,778.42
  4. Step 4: Simplify right side
    23,112.28x = 339,070,429.30
  5. Step 5: Solve for x
    x = 339,070,429.30/23,112.28
  6. Step 6: Final answer
    x = 14,670.57

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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.