Home / 19,268.11-26,591-11,713.21

Finding the Fourth Proportional to 19,268.11, 26,591 and 11,713.21

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Solution

The fourth proportional to 19,268.11, 26,591 and 11,713.21 is: 16,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.11 : 26,591 = 11,713.21 : x
  2. Step 2: Convert to fraction form
    19,268.11/26,591 = 11,713.21/x
  3. Step 3: Cross multiply
    19,268.11x = 26,591 × 11,713.21
  4. Step 4: Simplify right side
    19,268.11x = 311,465,967.11
  5. Step 5: Solve for x
    x = 311,465,967.11/19,268.11
  6. Step 6: Final answer
    x = 16,164.84

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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.