Home / 18,841.69-26,001.63-11,772.21

Finding the Fourth Proportional to 18,841.69, 26,001.63 and 11,772.21

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Solution

The fourth proportional to 18,841.69, 26,001.63 and 11,772.21 is: 16,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.69 : 26,001.63 = 11,772.21 : x
  2. Step 2: Convert to fraction form
    18,841.69/26,001.63 = 11,772.21/x
  3. Step 3: Cross multiply
    18,841.69x = 26,001.63 × 11,772.21
  4. Step 4: Simplify right side
    18,841.69x = 306,096,648.70
  5. Step 5: Solve for x
    x = 306,096,648.70/18,841.69
  6. Step 6: Final answer
    x = 16,245.71

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Half scale
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Double scale
Find fourth proportional to 18,842.69, 26,003.01 and 11,773.21
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.