Home / 19,086.64-26,339.85-11,531.94

Finding the Fourth Proportional to 19,086.64, 26,339.85 and 11,531.94

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Solution

The fourth proportional to 19,086.64, 26,339.85 and 11,531.94 is: 15,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.64 : 26,339.85 = 11,531.94 : x
  2. Step 2: Convert to fraction form
    19,086.64/26,339.85 = 11,531.94/x
  3. Step 3: Cross multiply
    19,086.64x = 26,339.85 × 11,531.94
  4. Step 4: Simplify right side
    19,086.64x = 303,749,471.03
  5. Step 5: Solve for x
    x = 303,749,471.03/19,086.64
  6. Step 6: Final answer
    x = 15,914.25

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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.