Home / 22,014.26-30,385.11-13,518.42

Finding the Fourth Proportional to 22,014.26, 30,385.11 and 13,518.42

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Solution

The fourth proportional to 22,014.26, 30,385.11 and 13,518.42 is: 18,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.26 : 30,385.11 = 13,518.42 : x
  2. Step 2: Convert to fraction form
    22,014.26/30,385.11 = 13,518.42/x
  3. Step 3: Cross multiply
    22,014.26x = 30,385.11 × 13,518.42
  4. Step 4: Simplify right side
    22,014.26x = 410,758,678.73
  5. Step 5: Solve for x
    x = 410,758,678.73/22,014.26
  6. Step 6: Final answer
    x = 18,658.76

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Half scale
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Double scale
Find fourth proportional to 22,015.26, 30,386.49 and 13,519.42
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.