Home / 26,644.80-39,991.74-13,506.36

Finding the Fourth Proportional to 26,644.80, 39,991.74 and 13,506.36

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Solution

The fourth proportional to 26,644.80, 39,991.74 and 13,506.36 is: 20,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.80 : 39,991.74 = 13,506.36 : x
  2. Step 2: Convert to fraction form
    26,644.80/39,991.74 = 13,506.36/x
  3. Step 3: Cross multiply
    26,644.80x = 39,991.74 × 13,506.36
  4. Step 4: Simplify right side
    26,644.80x = 540,142,837.47
  5. Step 5: Solve for x
    x = 540,142,837.47/26,644.80
  6. Step 6: Final answer
    x = 20,271.98

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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.