Home / 17,808.53-26,731.22-13,133.75

Finding the Fourth Proportional to 17,808.53, 26,731.22 and 13,133.75

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Solution

The fourth proportional to 17,808.53, 26,731.22 and 13,133.75 is: 19,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.53 : 26,731.22 = 13,133.75 : x
  2. Step 2: Convert to fraction form
    17,808.53/26,731.22 = 13,133.75/x
  3. Step 3: Cross multiply
    17,808.53x = 26,731.22 × 13,133.75
  4. Step 4: Simplify right side
    17,808.53x = 351,080,961.35
  5. Step 5: Solve for x
    x = 351,080,961.35/17,808.53
  6. Step 6: Final answer
    x = 19,714.21

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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.