Home / 36,920.15-55,368.61-11,954.44

Finding the Fourth Proportional to 36,920.15, 55,368.61 and 11,954.44

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Solution

The fourth proportional to 36,920.15, 55,368.61 and 11,954.44 is: 17,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.15 : 55,368.61 = 11,954.44 : x
  2. Step 2: Convert to fraction form
    36,920.15/55,368.61 = 11,954.44/x
  3. Step 3: Cross multiply
    36,920.15x = 55,368.61 × 11,954.44
  4. Step 4: Simplify right side
    36,920.15x = 661,900,521.25
  5. Step 5: Solve for x
    x = 661,900,521.25/36,920.15
  6. Step 6: Final answer
    x = 17,927.89

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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.