Home / 16,853.91-25,296.38-8,539.72

Finding the Fourth Proportional to 16,853.91, 25,296.38 and 8,539.72

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Solution

The fourth proportional to 16,853.91, 25,296.38 and 8,539.72 is: 12,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.91 : 25,296.38 = 8,539.72 : x
  2. Step 2: Convert to fraction form
    16,853.91/25,296.38 = 8,539.72/x
  3. Step 3: Cross multiply
    16,853.91x = 25,296.38 × 8,539.72
  4. Step 4: Simplify right side
    16,853.91x = 216,024,002.21
  5. Step 5: Solve for x
    x = 216,024,002.21/16,853.91
  6. Step 6: Final answer
    x = 12,817.44

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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.