Home / 19,212.22-26,515.47-11,257.62

Finding the Fourth Proportional to 19,212.22, 26,515.47 and 11,257.62

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Solution

The fourth proportional to 19,212.22, 26,515.47 and 11,257.62 is: 15,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.22 : 26,515.47 = 11,257.62 : x
  2. Step 2: Convert to fraction form
    19,212.22/26,515.47 = 11,257.62/x
  3. Step 3: Cross multiply
    19,212.22x = 26,515.47 × 11,257.62
  4. Step 4: Simplify right side
    19,212.22x = 298,501,085.38
  5. Step 5: Solve for x
    x = 298,501,085.38/19,212.22
  6. Step 6: Final answer
    x = 15,537.04

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Half scale
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Double scale
Find fourth proportional to 19,213.22, 26,516.85 and 11,258.62
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.