Home / 16,173.55-22,322.44-9,458.78

Finding the Fourth Proportional to 16,173.55, 22,322.44 and 9,458.78

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Solution

The fourth proportional to 16,173.55, 22,322.44 and 9,458.78 is: 13,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173.55 : 22,322.44 = 9,458.78 : x
  2. Step 2: Convert to fraction form
    16,173.55/22,322.44 = 9,458.78/x
  3. Step 3: Cross multiply
    16,173.55x = 22,322.44 × 9,458.78
  4. Step 4: Simplify right side
    16,173.55x = 211,142,896.03
  5. Step 5: Solve for x
    x = 211,142,896.03/16,173.55
  6. Step 6: Final answer
    x = 13,054.83

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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.