Home / 16,245.97-22,419.34-9,172.24

Finding the Fourth Proportional to 16,245.97, 22,419.34 and 9,172.24

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Solution

The fourth proportional to 16,245.97, 22,419.34 and 9,172.24 is: 12,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,245.97 : 22,419.34 = 9,172.24 : x
  2. Step 2: Convert to fraction form
    16,245.97/22,419.34 = 9,172.24/x
  3. Step 3: Cross multiply
    16,245.97x = 22,419.34 × 9,172.24
  4. Step 4: Simplify right side
    16,245.97x = 205,635,567.12
  5. Step 5: Solve for x
    x = 205,635,567.12/16,245.97
  6. Step 6: Final answer
    x = 12,657.64

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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.