Home / 16,041.97-22,137.28-8,871.42

Finding the Fourth Proportional to 16,041.97, 22,137.28 and 8,871.42

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Solution

The fourth proportional to 16,041.97, 22,137.28 and 8,871.42 is: 12,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,041.97 : 22,137.28 = 8,871.42 : x
  2. Step 2: Convert to fraction form
    16,041.97/22,137.28 = 8,871.42/x
  3. Step 3: Cross multiply
    16,041.97x = 22,137.28 × 8,871.42
  4. Step 4: Simplify right side
    16,041.97x = 196,389,125.88
  5. Step 5: Solve for x
    x = 196,389,125.88/16,041.97
  6. Step 6: Final answer
    x = 12,242.20

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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.