Home / 19,120.25-26,375.42-11,569.03

Finding the Fourth Proportional to 19,120.25, 26,375.42 and 11,569.03

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Solution

The fourth proportional to 19,120.25, 26,375.42 and 11,569.03 is: 15,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.25 : 26,375.42 = 11,569.03 : x
  2. Step 2: Convert to fraction form
    19,120.25/26,375.42 = 11,569.03/x
  3. Step 3: Cross multiply
    19,120.25x = 26,375.42 × 11,569.03
  4. Step 4: Simplify right side
    19,120.25x = 305,137,988.23
  5. Step 5: Solve for x
    x = 305,137,988.23/19,120.25
  6. Step 6: Final answer
    x = 15,958.89

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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.