Home / 13,816.87-19,067.27-7,529.24

Finding the Fourth Proportional to 13,816.87, 19,067.27 and 7,529.24

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Solution

The fourth proportional to 13,816.87, 19,067.27 and 7,529.24 is: 10,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.87 : 19,067.27 = 7,529.24 : x
  2. Step 2: Convert to fraction form
    13,816.87/19,067.27 = 7,529.24/x
  3. Step 3: Cross multiply
    13,816.87x = 19,067.27 × 7,529.24
  4. Step 4: Simplify right side
    13,816.87x = 143,562,014.33
  5. Step 5: Solve for x
    x = 143,562,014.33/13,816.87
  6. Step 6: Final answer
    x = 10,390.35

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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.