Home / 18,192.22-25,076.66-16,666.80

Finding the Fourth Proportional to 18,192.22, 25,076.66 and 16,666.80

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Solution

The fourth proportional to 18,192.22, 25,076.66 and 16,666.80 is: 22,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.22 : 25,076.66 = 16,666.80 : x
  2. Step 2: Convert to fraction form
    18,192.22/25,076.66 = 16,666.80/x
  3. Step 3: Cross multiply
    18,192.22x = 25,076.66 × 16,666.80
  4. Step 4: Simplify right side
    18,192.22x = 417,947,676.89
  5. Step 5: Solve for x
    x = 417,947,676.89/18,192.22
  6. Step 6: Final answer
    x = 22,973.98

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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.