Home / 14,617.30-20,171.88-7,902.93

Finding the Fourth Proportional to 14,617.30, 20,171.88 and 7,902.93

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Solution

The fourth proportional to 14,617.30, 20,171.88 and 7,902.93 is: 10,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.30 : 20,171.88 = 7,902.93 : x
  2. Step 2: Convert to fraction form
    14,617.30/20,171.88 = 7,902.93/x
  3. Step 3: Cross multiply
    14,617.30x = 20,171.88 × 7,902.93
  4. Step 4: Simplify right side
    14,617.30x = 159,416,940.60
  5. Step 5: Solve for x
    x = 159,416,940.60/14,617.30
  6. Step 6: Final answer
    x = 10,906.04

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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.