Home / 17,968.51-26,948.21-11,731.91

Finding the Fourth Proportional to 17,968.51, 26,948.21 and 11,731.91

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Solution

The fourth proportional to 17,968.51, 26,948.21 and 11,731.91 is: 17,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.51 : 26,948.21 = 11,731.91 : x
  2. Step 2: Convert to fraction form
    17,968.51/26,948.21 = 11,731.91/x
  3. Step 3: Cross multiply
    17,968.51x = 26,948.21 × 11,731.91
  4. Step 4: Simplify right side
    17,968.51x = 316,153,983.09
  5. Step 5: Solve for x
    x = 316,153,983.09/17,968.51
  6. Step 6: Final answer
    x = 17,594.89

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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.