Home / 36,681.64-55,013.86-11,723.92

Finding the Fourth Proportional to 36,681.64, 55,013.86 and 11,723.92

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Solution

The fourth proportional to 36,681.64, 55,013.86 and 11,723.92 is: 17,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.64 : 55,013.86 = 11,723.92 : x
  2. Step 2: Convert to fraction form
    36,681.64/55,013.86 = 11,723.92/x
  3. Step 3: Cross multiply
    36,681.64x = 55,013.86 × 11,723.92
  4. Step 4: Simplify right side
    36,681.64x = 644,978,093.53
  5. Step 5: Solve for x
    x = 644,978,093.53/36,681.64
  6. Step 6: Final answer
    x = 17,583.13

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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.