Home / 19,344.88-26,696.04-11,389.60

Finding the Fourth Proportional to 19,344.88, 26,696.04 and 11,389.60

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Solution

The fourth proportional to 19,344.88, 26,696.04 and 11,389.60 is: 15,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.88 : 26,696.04 = 11,389.60 : x
  2. Step 2: Convert to fraction form
    19,344.88/26,696.04 = 11,389.60/x
  3. Step 3: Cross multiply
    19,344.88x = 26,696.04 × 11,389.60
  4. Step 4: Simplify right side
    19,344.88x = 304,057,217.18
  5. Step 5: Solve for x
    x = 304,057,217.18/19,344.88
  6. Step 6: Final answer
    x = 15,717.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.