Home / 13,925.28-20,891.42-4,064.60

Finding the Fourth Proportional to 13,925.28, 20,891.42 and 4,064.60

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Solution

The fourth proportional to 13,925.28, 20,891.42 and 4,064.60 is: 6,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.28 : 20,891.42 = 4,064.60 : x
  2. Step 2: Convert to fraction form
    13,925.28/20,891.42 = 4,064.60/x
  3. Step 3: Cross multiply
    13,925.28x = 20,891.42 × 4,064.60
  4. Step 4: Simplify right side
    13,925.28x = 84,915,265.73
  5. Step 5: Solve for x
    x = 84,915,265.73/13,925.28
  6. Step 6: Final answer
    x = 6,097.92

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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.