Home / 27,406.82-41,103.02-11,820.98

Finding the Fourth Proportional to 27,406.82, 41,103.02 and 11,820.98

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Solution

The fourth proportional to 27,406.82, 41,103.02 and 11,820.98 is: 17,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.82 : 41,103.02 = 11,820.98 : x
  2. Step 2: Convert to fraction form
    27,406.82/41,103.02 = 11,820.98/x
  3. Step 3: Cross multiply
    27,406.82x = 41,103.02 × 11,820.98
  4. Step 4: Simplify right side
    27,406.82x = 485,877,801.40
  5. Step 5: Solve for x
    x = 485,877,801.40/27,406.82
  6. Step 6: Final answer
    x = 17,728.36

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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.