Home / 19,438.83-29,162.57-5,586.75

Finding the Fourth Proportional to 19,438.83, 29,162.57 and 5,586.75

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Solution

The fourth proportional to 19,438.83, 29,162.57 and 5,586.75 is: 8,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.83 : 29,162.57 = 5,586.75 : x
  2. Step 2: Convert to fraction form
    19,438.83/29,162.57 = 5,586.75/x
  3. Step 3: Cross multiply
    19,438.83x = 29,162.57 × 5,586.75
  4. Step 4: Simplify right side
    19,438.83x = 162,923,960.01
  5. Step 5: Solve for x
    x = 162,923,960.01/19,438.83
  6. Step 6: Final answer
    x = 8,381.37

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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.