Home / 20,798.97-31,168.95-16,097.07

Finding the Fourth Proportional to 20,798.97, 31,168.95 and 16,097.07

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Solution

The fourth proportional to 20,798.97, 31,168.95 and 16,097.07 is: 24,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798.97 : 31,168.95 = 16,097.07 : x
  2. Step 2: Convert to fraction form
    20,798.97/31,168.95 = 16,097.07/x
  3. Step 3: Cross multiply
    20,798.97x = 31,168.95 × 16,097.07
  4. Step 4: Simplify right side
    20,798.97x = 501,728,769.98
  5. Step 5: Solve for x
    x = 501,728,769.98/20,798.97
  6. Step 6: Final answer
    x = 24,122.77

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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.