Home / 20,624.32-30,938.20-6,586.36

Finding the Fourth Proportional to 20,624.32, 30,938.20 and 6,586.36

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Solution

The fourth proportional to 20,624.32, 30,938.20 and 6,586.36 is: 9,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.32 : 30,938.20 = 6,586.36 : x
  2. Step 2: Convert to fraction form
    20,624.32/30,938.20 = 6,586.36/x
  3. Step 3: Cross multiply
    20,624.32x = 30,938.20 × 6,586.36
  4. Step 4: Simplify right side
    20,624.32x = 203,770,122.95
  5. Step 5: Solve for x
    x = 203,770,122.95/20,624.32
  6. Step 6: Final answer
    x = 9,880.09

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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.