Home / 13,029.28-19,551.84-5,635.68

Finding the Fourth Proportional to 13,029.28, 19,551.84 and 5,635.68

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Solution

The fourth proportional to 13,029.28, 19,551.84 and 5,635.68 is: 8,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.28 : 19,551.84 = 5,635.68 : x
  2. Step 2: Convert to fraction form
    13,029.28/19,551.84 = 5,635.68/x
  3. Step 3: Cross multiply
    13,029.28x = 19,551.84 × 5,635.68
  4. Step 4: Simplify right side
    13,029.28x = 110,187,913.65
  5. Step 5: Solve for x
    x = 110,187,913.65/13,029.28
  6. Step 6: Final answer
    x = 8,456.95

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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.