Home / 25,416.31-38,107.44-9,815.71

Finding the Fourth Proportional to 25,416.31, 38,107.44 and 9,815.71

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Solution

The fourth proportional to 25,416.31, 38,107.44 and 9,815.71 is: 14,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.31 : 38,107.44 = 9,815.71 : x
  2. Step 2: Convert to fraction form
    25,416.31/38,107.44 = 9,815.71/x
  3. Step 3: Cross multiply
    25,416.31x = 38,107.44 × 9,815.71
  4. Step 4: Simplify right side
    25,416.31x = 374,051,579.88
  5. Step 5: Solve for x
    x = 374,051,579.88/25,416.31
  6. Step 6: Final answer
    x = 14,716.99

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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.