Home / 13,877.20-19,150.68-7,589.44

Finding the Fourth Proportional to 13,877.20, 19,150.68 and 7,589.44

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Solution

The fourth proportional to 13,877.20, 19,150.68 and 7,589.44 is: 10,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.20 : 19,150.68 = 7,589.44 : x
  2. Step 2: Convert to fraction form
    13,877.20/19,150.68 = 7,589.44/x
  3. Step 3: Cross multiply
    13,877.20x = 19,150.68 × 7,589.44
  4. Step 4: Simplify right side
    13,877.20x = 145,342,917.40
  5. Step 5: Solve for x
    x = 145,342,917.40/13,877.20
  6. Step 6: Final answer
    x = 10,473.51

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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.