Home / 14,178.10-19,561.38-8,044.80

Finding the Fourth Proportional to 14,178.10, 19,561.38 and 8,044.80

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Solution

The fourth proportional to 14,178.10, 19,561.38 and 8,044.80 is: 11,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.10 : 19,561.38 = 8,044.80 : x
  2. Step 2: Convert to fraction form
    14,178.10/19,561.38 = 8,044.80/x
  3. Step 3: Cross multiply
    14,178.10x = 19,561.38 × 8,044.80
  4. Step 4: Simplify right side
    14,178.10x = 157,367,286.30
  5. Step 5: Solve for x
    x = 157,367,286.30/14,178.10
  6. Step 6: Final answer
    x = 11,099.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.