Home / 25,274.21-37,915.10-8,171.39

Finding the Fourth Proportional to 25,274.21, 37,915.10 and 8,171.39

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Solution

The fourth proportional to 25,274.21, 37,915.10 and 8,171.39 is: 12,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.21 : 37,915.10 = 8,171.39 : x
  2. Step 2: Convert to fraction form
    25,274.21/37,915.10 = 8,171.39/x
  3. Step 3: Cross multiply
    25,274.21x = 37,915.10 × 8,171.39
  4. Step 4: Simplify right side
    25,274.21x = 309,818,838.56
  5. Step 5: Solve for x
    x = 309,818,838.56/25,274.21
  6. Step 6: Final answer
    x = 12,258.30

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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.