Home / 13,011.14-19,515.24-3,651.92

Finding the Fourth Proportional to 13,011.14, 19,515.24 and 3,651.92

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Solution

The fourth proportional to 13,011.14, 19,515.24 and 3,651.92 is: 5,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.14 : 19,515.24 = 3,651.92 : x
  2. Step 2: Convert to fraction form
    13,011.14/19,515.24 = 3,651.92/x
  3. Step 3: Cross multiply
    13,011.14x = 19,515.24 × 3,651.92
  4. Step 4: Simplify right side
    13,011.14x = 71,268,095.26
  5. Step 5: Solve for x
    x = 71,268,095.26/13,011.14
  6. Step 6: Final answer
    x = 5,477.47

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1.5x scale

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.