Home / 26,690.24-40,047.81-11,897.61

Finding the Fourth Proportional to 26,690.24, 40,047.81 and 11,897.61

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Solution

The fourth proportional to 26,690.24, 40,047.81 and 11,897.61 is: 17,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.24 : 40,047.81 = 11,897.61 : x
  2. Step 2: Convert to fraction form
    26,690.24/40,047.81 = 11,897.61/x
  3. Step 3: Cross multiply
    26,690.24x = 40,047.81 × 11,897.61
  4. Step 4: Simplify right side
    26,690.24x = 476,473,224.73
  5. Step 5: Solve for x
    x = 476,473,224.73/26,690.24
  6. Step 6: Final answer
    x = 17,851.96

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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.