Home / 20,934.93-28,861.34-16,700.36

Finding the Fourth Proportional to 20,934.93, 28,861.34 and 16,700.36

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Solution

The fourth proportional to 20,934.93, 28,861.34 and 16,700.36 is: 23,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.93 : 28,861.34 = 16,700.36 : x
  2. Step 2: Convert to fraction form
    20,934.93/28,861.34 = 16,700.36/x
  3. Step 3: Cross multiply
    20,934.93x = 28,861.34 × 16,700.36
  4. Step 4: Simplify right side
    20,934.93x = 481,994,540.27
  5. Step 5: Solve for x
    x = 481,994,540.27/20,934.93
  6. Step 6: Final answer
    x = 23,023.46

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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.