Home / 36,690.64-55,009.06-11,716.29

Finding the Fourth Proportional to 36,690.64, 55,009.06 and 11,716.29

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Solution

The fourth proportional to 36,690.64, 55,009.06 and 11,716.29 is: 17,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.64 : 55,009.06 = 11,716.29 : x
  2. Step 2: Convert to fraction form
    36,690.64/55,009.06 = 11,716.29/x
  3. Step 3: Cross multiply
    36,690.64x = 55,009.06 × 11,716.29
  4. Step 4: Simplify right side
    36,690.64x = 644,502,070.30
  5. Step 5: Solve for x
    x = 644,502,070.30/36,690.64
  6. Step 6: Final answer
    x = 17,565.85

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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.