Home / 25,634.34-38,448.33-6,915.90

Finding the Fourth Proportional to 25,634.34, 38,448.33 and 6,915.90

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Solution

The fourth proportional to 25,634.34, 38,448.33 and 6,915.90 is: 10,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.34 : 38,448.33 = 6,915.90 : x
  2. Step 2: Convert to fraction form
    25,634.34/38,448.33 = 6,915.90/x
  3. Step 3: Cross multiply
    25,634.34x = 38,448.33 × 6,915.90
  4. Step 4: Simplify right side
    25,634.34x = 265,904,805.45
  5. Step 5: Solve for x
    x = 265,904,805.45/25,634.34
  6. Step 6: Final answer
    x = 10,372.99

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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.