Home / 27,261.98-40,909.39-11,679.61

Finding the Fourth Proportional to 27,261.98, 40,909.39 and 11,679.61

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Solution

The fourth proportional to 27,261.98, 40,909.39 and 11,679.61 is: 17,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.98 : 40,909.39 = 11,679.61 : x
  2. Step 2: Convert to fraction form
    27,261.98/40,909.39 = 11,679.61/x
  3. Step 3: Cross multiply
    27,261.98x = 40,909.39 × 11,679.61
  4. Step 4: Simplify right side
    27,261.98x = 477,805,665.77
  5. Step 5: Solve for x
    x = 477,805,665.77/27,261.98
  6. Step 6: Final answer
    x = 17,526.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.