Home / 14,248.38-19,662.77-7,960.75

Finding the Fourth Proportional to 14,248.38, 19,662.77 and 7,960.75

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Solution

The fourth proportional to 14,248.38, 19,662.77 and 7,960.75 is: 10,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.38 : 19,662.77 = 7,960.75 : x
  2. Step 2: Convert to fraction form
    14,248.38/19,662.77 = 7,960.75/x
  3. Step 3: Cross multiply
    14,248.38x = 19,662.77 × 7,960.75
  4. Step 4: Simplify right side
    14,248.38x = 156,530,396.28
  5. Step 5: Solve for x
    x = 156,530,396.28/14,248.38
  6. Step 6: Final answer
    x = 10,985.84

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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.