Home / 18,633.57-27,930.90-7,535.76

Finding the Fourth Proportional to 18,633.57, 27,930.90 and 7,535.76

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Solution

The fourth proportional to 18,633.57, 27,930.90 and 7,535.76 is: 11,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.57 : 27,930.90 = 7,535.76 : x
  2. Step 2: Convert to fraction form
    18,633.57/27,930.90 = 7,535.76/x
  3. Step 3: Cross multiply
    18,633.57x = 27,930.90 × 7,535.76
  4. Step 4: Simplify right side
    18,633.57x = 210,480,558.98
  5. Step 5: Solve for x
    x = 210,480,558.98/18,633.57
  6. Step 6: Final answer
    x = 11,295.77

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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.