Home / 25,578.12-38,372.44-10,787.08

Finding the Fourth Proportional to 25,578.12, 38,372.44 and 10,787.08

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Solution

The fourth proportional to 25,578.12, 38,372.44 and 10,787.08 is: 16,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.12 : 38,372.44 = 10,787.08 : x
  2. Step 2: Convert to fraction form
    25,578.12/38,372.44 = 10,787.08/x
  3. Step 3: Cross multiply
    25,578.12x = 38,372.44 × 10,787.08
  4. Step 4: Simplify right side
    25,578.12x = 413,926,580.08
  5. Step 5: Solve for x
    x = 413,926,580.08/25,578.12
  6. Step 6: Final answer
    x = 16,182.84

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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.