Home / 13,327.17-19,992.20-8,166.21

Finding the Fourth Proportional to 13,327.17, 19,992.20 and 8,166.21

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Solution

The fourth proportional to 13,327.17, 19,992.20 and 8,166.21 is: 12,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.17 : 19,992.20 = 8,166.21 : x
  2. Step 2: Convert to fraction form
    13,327.17/19,992.20 = 8,166.21/x
  3. Step 3: Cross multiply
    13,327.17x = 19,992.20 × 8,166.21
  4. Step 4: Simplify right side
    13,327.17x = 163,260,462.73
  5. Step 5: Solve for x
    x = 163,260,462.73/13,327.17
  6. Step 6: Final answer
    x = 12,250.20

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Half scale
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Double scale
Find fourth proportional to 13,328.17, 19,993.70 and 8,167.21
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.