Home / 17,640.80-24,344.58-9,683.75

Finding the Fourth Proportional to 17,640.80, 24,344.58 and 9,683.75

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Solution

The fourth proportional to 17,640.80, 24,344.58 and 9,683.75 is: 13,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.80 : 24,344.58 = 9,683.75 : x
  2. Step 2: Convert to fraction form
    17,640.80/24,344.58 = 9,683.75/x
  3. Step 3: Cross multiply
    17,640.80x = 24,344.58 × 9,683.75
  4. Step 4: Simplify right side
    17,640.80x = 235,746,826.58
  5. Step 5: Solve for x
    x = 235,746,826.58/17,640.80
  6. Step 6: Final answer
    x = 13,363.73

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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.