Home / 13,397.20-20,096.71-4,632.80

Finding the Fourth Proportional to 13,397.20, 20,096.71 and 4,632.80

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Solution

The fourth proportional to 13,397.20, 20,096.71 and 4,632.80 is: 6,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.20 : 20,096.71 = 4,632.80 : x
  2. Step 2: Convert to fraction form
    13,397.20/20,096.71 = 4,632.80/x
  3. Step 3: Cross multiply
    13,397.20x = 20,096.71 × 4,632.80
  4. Step 4: Simplify right side
    13,397.20x = 93,103,926.02
  5. Step 5: Solve for x
    x = 93,103,926.02/13,397.20
  6. Step 6: Final answer
    x = 6,949.51

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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.