Home / 19,220.41-26,522.15-11,261.15

Finding the Fourth Proportional to 19,220.41, 26,522.15 and 11,261.15

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Solution

The fourth proportional to 19,220.41, 26,522.15 and 11,261.15 is: 15,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.41 : 26,522.15 = 11,261.15 : x
  2. Step 2: Convert to fraction form
    19,220.41/26,522.15 = 11,261.15/x
  3. Step 3: Cross multiply
    19,220.41x = 26,522.15 × 11,261.15
  4. Step 4: Simplify right side
    19,220.41x = 298,669,909.47
  5. Step 5: Solve for x
    x = 298,669,909.47/19,220.41
  6. Step 6: Final answer
    x = 15,539.21

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Half scale
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Double scale
Find fourth proportional to 19,221.41, 26,523.53 and 11,262.15
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.