Home / 19,268.11-28,899.15-6,118.75

Finding the Fourth Proportional to 19,268.11, 28,899.15 and 6,118.75

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Solution

The fourth proportional to 19,268.11, 28,899.15 and 6,118.75 is: 9,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.11 : 28,899.15 = 6,118.75 : x
  2. Step 2: Convert to fraction form
    19,268.11/28,899.15 = 6,118.75/x
  3. Step 3: Cross multiply
    19,268.11x = 28,899.15 × 6,118.75
  4. Step 4: Simplify right side
    19,268.11x = 176,826,674.06
  5. Step 5: Solve for x
    x = 176,826,674.06/19,268.11
  6. Step 6: Final answer
    x = 9,177.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.