Home / 14,019.41-19,338.24-8,350.36

Finding the Fourth Proportional to 14,019.41, 19,338.24 and 8,350.36

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Solution

The fourth proportional to 14,019.41, 19,338.24 and 8,350.36 is: 11,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.41 : 19,338.24 = 8,350.36 : x
  2. Step 2: Convert to fraction form
    14,019.41/19,338.24 = 8,350.36/x
  3. Step 3: Cross multiply
    14,019.41x = 19,338.24 × 8,350.36
  4. Step 4: Simplify right side
    14,019.41x = 161,481,248.73
  5. Step 5: Solve for x
    x = 161,481,248.73/14,019.41
  6. Step 6: Final answer
    x = 11,518.40

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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.