Home / 17,230.75-23,780.55-10,516.21

Finding the Fourth Proportional to 17,230.75, 23,780.55 and 10,516.21

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Solution

The fourth proportional to 17,230.75, 23,780.55 and 10,516.21 is: 14,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.75 : 23,780.55 = 10,516.21 : x
  2. Step 2: Convert to fraction form
    17,230.75/23,780.55 = 10,516.21/x
  3. Step 3: Cross multiply
    17,230.75x = 23,780.55 × 10,516.21
  4. Step 4: Simplify right side
    17,230.75x = 250,081,257.72
  5. Step 5: Solve for x
    x = 250,081,257.72/17,230.75
  6. Step 6: Final answer
    x = 14,513.66

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Half scale
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Find fourth proportional to 17,231.75, 23,781.93 and 10,517.21
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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.