Home / 16,221.32-22,399.08-10,933.64

Finding the Fourth Proportional to 16,221.32, 22,399.08 and 10,933.64

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Solution

The fourth proportional to 16,221.32, 22,399.08 and 10,933.64 is: 15,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.32 : 22,399.08 = 10,933.64 : x
  2. Step 2: Convert to fraction form
    16,221.32/22,399.08 = 10,933.64/x
  3. Step 3: Cross multiply
    16,221.32x = 22,399.08 × 10,933.64
  4. Step 4: Simplify right side
    16,221.32x = 244,903,477.05
  5. Step 5: Solve for x
    x = 244,903,477.05/16,221.32
  6. Step 6: Final answer
    x = 15,097.63

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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.