Home / 18,586.85-25,638.19-11,027.83

Finding the Fourth Proportional to 18,586.85, 25,638.19 and 11,027.83

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Solution

The fourth proportional to 18,586.85, 25,638.19 and 11,027.83 is: 15,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.85 : 25,638.19 = 11,027.83 : x
  2. Step 2: Convert to fraction form
    18,586.85/25,638.19 = 11,027.83/x
  3. Step 3: Cross multiply
    18,586.85x = 25,638.19 × 11,027.83
  4. Step 4: Simplify right side
    18,586.85x = 282,733,545.69
  5. Step 5: Solve for x
    x = 282,733,545.69/18,586.85
  6. Step 6: Final answer
    x = 15,211.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.