Home / 16,658.09-24,987.12-8,329.72

Finding the Fourth Proportional to 16,658.09, 24,987.12 and 8,329.72

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Solution

The fourth proportional to 16,658.09, 24,987.12 and 8,329.72 is: 12,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.09 : 24,987.12 = 8,329.72 : x
  2. Step 2: Convert to fraction form
    16,658.09/24,987.12 = 8,329.72/x
  3. Step 3: Cross multiply
    16,658.09x = 24,987.12 × 8,329.72
  4. Step 4: Simplify right side
    16,658.09x = 208,135,713.21
  5. Step 5: Solve for x
    x = 208,135,713.21/16,658.09
  6. Step 6: Final answer
    x = 12,494.58

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Half scale
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Double scale
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Similar ratio
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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.