Home / 20,794.14-28,688.72-16,273.13

Finding the Fourth Proportional to 20,794.14, 28,688.72 and 16,273.13

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Solution

The fourth proportional to 20,794.14, 28,688.72 and 16,273.13 is: 22,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.14 : 28,688.72 = 16,273.13 : x
  2. Step 2: Convert to fraction form
    20,794.14/28,688.72 = 16,273.13/x
  3. Step 3: Cross multiply
    20,794.14x = 28,688.72 × 16,273.13
  4. Step 4: Simplify right side
    20,794.14x = 466,855,045.28
  5. Step 5: Solve for x
    x = 466,855,045.28/20,794.14
  6. Step 6: Final answer
    x = 22,451.28

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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.