Home / 23,721.33-35,554.60-8,920.80

Finding the Fourth Proportional to 23,721.33, 35,554.60 and 8,920.80

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Solution

The fourth proportional to 23,721.33, 35,554.60 and 8,920.80 is: 13,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.33 : 35,554.60 = 8,920.80 : x
  2. Step 2: Convert to fraction form
    23,721.33/35,554.60 = 8,920.80/x
  3. Step 3: Cross multiply
    23,721.33x = 35,554.60 × 8,920.80
  4. Step 4: Simplify right side
    23,721.33x = 317,175,475.68
  5. Step 5: Solve for x
    x = 317,175,475.68/23,721.33
  6. Step 6: Final answer
    x = 13,370.90

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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.