Home / 16,163.11-22,298.02-9,871.75

Finding the Fourth Proportional to 16,163.11, 22,298.02 and 9,871.75

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Solution

The fourth proportional to 16,163.11, 22,298.02 and 9,871.75 is: 13,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.11 : 22,298.02 = 9,871.75 : x
  2. Step 2: Convert to fraction form
    16,163.11/22,298.02 = 9,871.75/x
  3. Step 3: Cross multiply
    16,163.11x = 22,298.02 × 9,871.75
  4. Step 4: Simplify right side
    16,163.11x = 220,120,478.94
  5. Step 5: Solve for x
    x = 220,120,478.94/16,163.11
  6. Step 6: Final answer
    x = 13,618.70

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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.