Home / 18,529.08-27,797.92-5,381.68

Finding the Fourth Proportional to 18,529.08, 27,797.92 and 5,381.68

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Solution

The fourth proportional to 18,529.08, 27,797.92 and 5,381.68 is: 8,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.08 : 27,797.92 = 5,381.68 : x
  2. Step 2: Convert to fraction form
    18,529.08/27,797.92 = 5,381.68/x
  3. Step 3: Cross multiply
    18,529.08x = 27,797.92 × 5,381.68
  4. Step 4: Simplify right side
    18,529.08x = 149,599,510.11
  5. Step 5: Solve for x
    x = 149,599,510.11/18,529.08
  6. Step 6: Final answer
    x = 8,073.77

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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.