Home / 17,628.78-24,329.28-9,672.54

Finding the Fourth Proportional to 17,628.78, 24,329.28 and 9,672.54

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Solution

The fourth proportional to 17,628.78, 24,329.28 and 9,672.54 is: 13,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.78 : 24,329.28 = 9,672.54 : x
  2. Step 2: Convert to fraction form
    17,628.78/24,329.28 = 9,672.54/x
  3. Step 3: Cross multiply
    17,628.78x = 24,329.28 × 9,672.54
  4. Step 4: Simplify right side
    17,628.78x = 235,325,933.97
  5. Step 5: Solve for x
    x = 235,325,933.97/17,628.78
  6. Step 6: Final answer
    x = 13,348.96

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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.