Home / 16,863.53-23,271.76-9,309.73

Finding the Fourth Proportional to 16,863.53, 23,271.76 and 9,309.73

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Solution

The fourth proportional to 16,863.53, 23,271.76 and 9,309.73 is: 12,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.53 : 23,271.76 = 9,309.73 : x
  2. Step 2: Convert to fraction form
    16,863.53/23,271.76 = 9,309.73/x
  3. Step 3: Cross multiply
    16,863.53x = 23,271.76 × 9,309.73
  4. Step 4: Simplify right side
    16,863.53x = 216,653,720.77
  5. Step 5: Solve for x
    x = 216,653,720.77/16,863.53
  6. Step 6: Final answer
    x = 12,847.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.