Home / 13,288.92-19,932.57-5,497.53

Finding the Fourth Proportional to 13,288.92, 19,932.57 and 5,497.53

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Solution

The fourth proportional to 13,288.92, 19,932.57 and 5,497.53 is: 8,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.92 : 19,932.57 = 5,497.53 : x
  2. Step 2: Convert to fraction form
    13,288.92/19,932.57 = 5,497.53/x
  3. Step 3: Cross multiply
    13,288.92x = 19,932.57 × 5,497.53
  4. Step 4: Simplify right side
    13,288.92x = 109,579,901.55
  5. Step 5: Solve for x
    x = 109,579,901.55/13,288.92
  6. Step 6: Final answer
    x = 8,245.96

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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.