Home / 17,880.19-24,679.20-12,217.23

Finding the Fourth Proportional to 17,880.19, 24,679.20 and 12,217.23

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Solution

The fourth proportional to 17,880.19, 24,679.20 and 12,217.23 is: 16,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.19 : 24,679.20 = 12,217.23 : x
  2. Step 2: Convert to fraction form
    17,880.19/24,679.20 = 12,217.23/x
  3. Step 3: Cross multiply
    17,880.19x = 24,679.20 × 12,217.23
  4. Step 4: Simplify right side
    17,880.19x = 301,511,462.62
  5. Step 5: Solve for x
    x = 301,511,462.62/17,880.19
  6. Step 6: Final answer
    x = 16,862.88

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Half scale
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Double scale
Find fourth proportional to 17,881.19, 24,680.58 and 12,218.23
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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.