Home / 19,220.91-26,522.84-11,261.66

Finding the Fourth Proportional to 19,220.91, 26,522.84 and 11,261.66

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Solution

The fourth proportional to 19,220.91, 26,522.84 and 11,261.66 is: 15,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.91 : 26,522.84 = 11,261.66 : x
  2. Step 2: Convert to fraction form
    19,220.91/26,522.84 = 11,261.66/x
  3. Step 3: Cross multiply
    19,220.91x = 26,522.84 × 11,261.66
  4. Step 4: Simplify right side
    19,220.91x = 298,691,017.39
  5. Step 5: Solve for x
    x = 298,691,017.39/19,220.91
  6. Step 6: Final answer
    x = 15,539.90

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Double scale
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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.