Home / 16,866.88-23,278.80-16,350.64

Finding the Fourth Proportional to 16,866.88, 23,278.80 and 16,350.64

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Solution

The fourth proportional to 16,866.88, 23,278.80 and 16,350.64 is: 22,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.88 : 23,278.80 = 16,350.64 : x
  2. Step 2: Convert to fraction form
    16,866.88/23,278.80 = 16,350.64/x
  3. Step 3: Cross multiply
    16,866.88x = 23,278.80 × 16,350.64
  4. Step 4: Simplify right side
    16,866.88x = 380,623,278.43
  5. Step 5: Solve for x
    x = 380,623,278.43/16,866.88
  6. Step 6: Final answer
    x = 22,566.31

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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.