Home / 16,783.20-23,157.36-10,067.04

Finding the Fourth Proportional to 16,783.20, 23,157.36 and 10,067.04

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Solution

The fourth proportional to 16,783.20, 23,157.36 and 10,067.04 is: 13,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.20 : 23,157.36 = 10,067.04 : x
  2. Step 2: Convert to fraction form
    16,783.20/23,157.36 = 10,067.04/x
  3. Step 3: Cross multiply
    16,783.20x = 23,157.36 × 10,067.04
  4. Step 4: Simplify right side
    16,783.20x = 233,126,069.41
  5. Step 5: Solve for x
    x = 233,126,069.41/16,783.20
  6. Step 6: Final answer
    x = 13,890.44

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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.