Home / 25,272.78-37,915.65-9,691.62

Finding the Fourth Proportional to 25,272.78, 37,915.65 and 9,691.62

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Solution

The fourth proportional to 25,272.78, 37,915.65 and 9,691.62 is: 14,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.78 : 37,915.65 = 9,691.62 : x
  2. Step 2: Convert to fraction form
    25,272.78/37,915.65 = 9,691.62/x
  3. Step 3: Cross multiply
    25,272.78x = 37,915.65 × 9,691.62
  4. Step 4: Simplify right side
    25,272.78x = 367,464,071.85
  5. Step 5: Solve for x
    x = 367,464,071.85/25,272.78
  6. Step 6: Final answer
    x = 14,539.91

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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.