Home / 13,134.08-19,643.52-11,429.12

Finding the Fourth Proportional to 13,134.08, 19,643.52 and 11,429.12

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Solution

The fourth proportional to 13,134.08, 19,643.52 and 11,429.12 is: 17,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.08 : 19,643.52 = 11,429.12 : x
  2. Step 2: Convert to fraction form
    13,134.08/19,643.52 = 11,429.12/x
  3. Step 3: Cross multiply
    13,134.08x = 19,643.52 × 11,429.12
  4. Step 4: Simplify right side
    13,134.08x = 224,508,147.30
  5. Step 5: Solve for x
    x = 224,508,147.30/13,134.08
  6. Step 6: Final answer
    x = 17,093.56

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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.