Home / 18,072.72-27,102.32-6,223.20

Finding the Fourth Proportional to 18,072.72, 27,102.32 and 6,223.20

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Solution

The fourth proportional to 18,072.72, 27,102.32 and 6,223.20 is: 9,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.72 : 27,102.32 = 6,223.20 : x
  2. Step 2: Convert to fraction form
    18,072.72/27,102.32 = 6,223.20/x
  3. Step 3: Cross multiply
    18,072.72x = 27,102.32 × 6,223.20
  4. Step 4: Simplify right side
    18,072.72x = 168,663,157.82
  5. Step 5: Solve for x
    x = 168,663,157.82/18,072.72
  6. Step 6: Final answer
    x = 9,332.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.