Home / 19,086.08-26,339.06-11,531.36

Finding the Fourth Proportional to 19,086.08, 26,339.06 and 11,531.36

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Solution

The fourth proportional to 19,086.08, 26,339.06 and 11,531.36 is: 15,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.08 : 26,339.06 = 11,531.36 : x
  2. Step 2: Convert to fraction form
    19,086.08/26,339.06 = 11,531.36/x
  3. Step 3: Cross multiply
    19,086.08x = 26,339.06 × 11,531.36
  4. Step 4: Simplify right side
    19,086.08x = 303,724,993.57
  5. Step 5: Solve for x
    x = 303,724,993.57/19,086.08
  6. Step 6: Final answer
    x = 15,913.43

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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.