Home / 16,247.68-22,420.72-9,173.12

Finding the Fourth Proportional to 16,247.68, 22,420.72 and 9,173.12

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Solution

The fourth proportional to 16,247.68, 22,420.72 and 9,173.12 is: 12,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.68 : 22,420.72 = 9,173.12 : x
  2. Step 2: Convert to fraction form
    16,247.68/22,420.72 = 9,173.12/x
  3. Step 3: Cross multiply
    16,247.68x = 22,420.72 × 9,173.12
  4. Step 4: Simplify right side
    16,247.68x = 205,667,955.05
  5. Step 5: Solve for x
    x = 205,667,955.05/16,247.68
  6. Step 6: Final answer
    x = 12,658.30

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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.