Home / 19,097.43-26,357.62-11,139.66

Finding the Fourth Proportional to 19,097.43, 26,357.62 and 11,139.66

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Solution

The fourth proportional to 19,097.43, 26,357.62 and 11,139.66 is: 15,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.43 : 26,357.62 = 11,139.66 : x
  2. Step 2: Convert to fraction form
    19,097.43/26,357.62 = 11,139.66/x
  3. Step 3: Cross multiply
    19,097.43x = 26,357.62 × 11,139.66
  4. Step 4: Simplify right side
    19,097.43x = 293,614,765.57
  5. Step 5: Solve for x
    x = 293,614,765.57/19,097.43
  6. Step 6: Final answer
    x = 15,374.57

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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.