Home / 18,355.29-27,527.11-11,324.76

Finding the Fourth Proportional to 18,355.29, 27,527.11 and 11,324.76

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Solution

The fourth proportional to 18,355.29, 27,527.11 and 11,324.76 is: 16,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.29 : 27,527.11 = 11,324.76 : x
  2. Step 2: Convert to fraction form
    18,355.29/27,527.11 = 11,324.76/x
  3. Step 3: Cross multiply
    18,355.29x = 27,527.11 × 11,324.76
  4. Step 4: Simplify right side
    18,355.29x = 311,737,782.71
  5. Step 5: Solve for x
    x = 311,737,782.71/18,355.29
  6. Step 6: Final answer
    x = 16,983.54

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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.