Home / 14,600.65-20,146.17-8,226.76

Finding the Fourth Proportional to 14,600.65, 20,146.17 and 8,226.76

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Solution

The fourth proportional to 14,600.65, 20,146.17 and 8,226.76 is: 11,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.65 : 20,146.17 = 8,226.76 : x
  2. Step 2: Convert to fraction form
    14,600.65/20,146.17 = 8,226.76/x
  3. Step 3: Cross multiply
    14,600.65x = 20,146.17 × 8,226.76
  4. Step 4: Simplify right side
    14,600.65x = 165,737,705.51
  5. Step 5: Solve for x
    x = 165,737,705.51/14,600.65
  6. Step 6: Final answer
    x = 11,351.39

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Half scale
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Double scale
Find fourth proportional to 14,601.65, 20,147.55 and 8,227.76
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.