Home / 16,915.72-25,351.96-8,031.04

Finding the Fourth Proportional to 16,915.72, 25,351.96 and 8,031.04

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Solution

The fourth proportional to 16,915.72, 25,351.96 and 8,031.04 is: 12,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.72 : 25,351.96 = 8,031.04 : x
  2. Step 2: Convert to fraction form
    16,915.72/25,351.96 = 8,031.04/x
  3. Step 3: Cross multiply
    16,915.72x = 25,351.96 × 8,031.04
  4. Step 4: Simplify right side
    16,915.72x = 203,602,604.84
  5. Step 5: Solve for x
    x = 203,602,604.84/16,915.72
  6. Step 6: Final answer
    x = 12,036.30

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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.