Home / 19,100.39-26,359.97-11,140.92

Finding the Fourth Proportional to 19,100.39, 26,359.97 and 11,140.92

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Solution

The fourth proportional to 19,100.39, 26,359.97 and 11,140.92 is: 15,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.39 : 26,359.97 = 11,140.92 : x
  2. Step 2: Convert to fraction form
    19,100.39/26,359.97 = 11,140.92/x
  3. Step 3: Cross multiply
    19,100.39x = 26,359.97 × 11,140.92
  4. Step 4: Simplify right side
    19,100.39x = 293,674,261.27
  5. Step 5: Solve for x
    x = 293,674,261.27/19,100.39
  6. Step 6: Final answer
    x = 15,375.31

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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.