Home / 26,689.99-40,047.44-11,897.36

Finding the Fourth Proportional to 26,689.99, 40,047.44 and 11,897.36

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Solution

The fourth proportional to 26,689.99, 40,047.44 and 11,897.36 is: 17,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.99 : 40,047.44 = 11,897.36 : x
  2. Step 2: Convert to fraction form
    26,689.99/40,047.44 = 11,897.36/x
  3. Step 3: Cross multiply
    26,689.99x = 40,047.44 × 11,897.36
  4. Step 4: Simplify right side
    26,689.99x = 476,458,851.39
  5. Step 5: Solve for x
    x = 476,458,851.39/26,689.99
  6. Step 6: Final answer
    x = 17,851.60

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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.