Home / 16,450.76-22,702.58-8,998.76

Finding the Fourth Proportional to 16,450.76, 22,702.58 and 8,998.76

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Solution

The fourth proportional to 16,450.76, 22,702.58 and 8,998.76 is: 12,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.76 : 22,702.58 = 8,998.76 : x
  2. Step 2: Convert to fraction form
    16,450.76/22,702.58 = 8,998.76/x
  3. Step 3: Cross multiply
    16,450.76x = 22,702.58 × 8,998.76
  4. Step 4: Simplify right side
    16,450.76x = 204,295,068.80
  5. Step 5: Solve for x
    x = 204,295,068.80/16,450.76
  6. Step 6: Final answer
    x = 12,418.58

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Half scale
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Double scale
Find fourth proportional to 16,451.76, 22,703.96 and 8,999.76
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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.