Home / 20,411.46-30,618.33-6,373.43

Finding the Fourth Proportional to 20,411.46, 30,618.33 and 6,373.43

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Solution

The fourth proportional to 20,411.46, 30,618.33 and 6,373.43 is: 9,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411.46 : 30,618.33 = 6,373.43 : x
  2. Step 2: Convert to fraction form
    20,411.46/30,618.33 = 6,373.43/x
  3. Step 3: Cross multiply
    20,411.46x = 30,618.33 × 6,373.43
  4. Step 4: Simplify right side
    20,411.46x = 195,143,782.97
  5. Step 5: Solve for x
    x = 195,143,782.97/20,411.46
  6. Step 6: Final answer
    x = 9,560.50

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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.