Home / 16,852.91-25,294.88-8,538.72

Finding the Fourth Proportional to 16,852.91, 25,294.88 and 8,538.72

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Solution

The fourth proportional to 16,852.91, 25,294.88 and 8,538.72 is: 12,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.91 : 25,294.88 = 8,538.72 : x
  2. Step 2: Convert to fraction form
    16,852.91/25,294.88 = 8,538.72/x
  3. Step 3: Cross multiply
    16,852.91x = 25,294.88 × 8,538.72
  4. Step 4: Simplify right side
    16,852.91x = 215,985,824.24
  5. Step 5: Solve for x
    x = 215,985,824.24/16,852.91
  6. Step 6: Final answer
    x = 12,815.94

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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.