Home / 12,901.24-19,352.70-5,504.80

Finding the Fourth Proportional to 12,901.24, 19,352.70 and 5,504.80

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Solution

The fourth proportional to 12,901.24, 19,352.70 and 5,504.80 is: 8,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.24 : 19,352.70 = 5,504.80 : x
  2. Step 2: Convert to fraction form
    12,901.24/19,352.70 = 5,504.80/x
  3. Step 3: Cross multiply
    12,901.24x = 19,352.70 × 5,504.80
  4. Step 4: Simplify right side
    12,901.24x = 106,532,742.96
  5. Step 5: Solve for x
    x = 106,532,742.96/12,901.24
  6. Step 6: Final answer
    x = 8,257.56

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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.