Home / 18,156.08-25,052.16-10,198.64

Finding the Fourth Proportional to 18,156.08, 25,052.16 and 10,198.64

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Solution

The fourth proportional to 18,156.08, 25,052.16 and 10,198.64 is: 14,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.08 : 25,052.16 = 10,198.64 : x
  2. Step 2: Convert to fraction form
    18,156.08/25,052.16 = 10,198.64/x
  3. Step 3: Cross multiply
    18,156.08x = 25,052.16 × 10,198.64
  4. Step 4: Simplify right side
    18,156.08x = 255,497,961.06
  5. Step 5: Solve for x
    x = 255,497,961.06/18,156.08
  6. Step 6: Final answer
    x = 14,072.31

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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.