Home / 14,620.52-20,176.43-8,072.22

Finding the Fourth Proportional to 14,620.52, 20,176.43 and 8,072.22

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Solution

The fourth proportional to 14,620.52, 20,176.43 and 8,072.22 is: 11,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.52 : 20,176.43 = 8,072.22 : x
  2. Step 2: Convert to fraction form
    14,620.52/20,176.43 = 8,072.22/x
  3. Step 3: Cross multiply
    14,620.52x = 20,176.43 × 8,072.22
  4. Step 4: Simplify right side
    14,620.52x = 162,868,677.62
  5. Step 5: Solve for x
    x = 162,868,677.62/14,620.52
  6. Step 6: Final answer
    x = 11,139.74

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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.