Home / 13,301.06-19,926.68-11,931.75

Finding the Fourth Proportional to 13,301.06, 19,926.68 and 11,931.75

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Solution

The fourth proportional to 13,301.06, 19,926.68 and 11,931.75 is: 17,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.06 : 19,926.68 = 11,931.75 : x
  2. Step 2: Convert to fraction form
    13,301.06/19,926.68 = 11,931.75/x
  3. Step 3: Cross multiply
    13,301.06x = 19,926.68 × 11,931.75
  4. Step 4: Simplify right side
    13,301.06x = 237,760,104.43
  5. Step 5: Solve for x
    x = 237,760,104.43/13,301.06
  6. Step 6: Final answer
    x = 17,875.28

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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.