Home / 22,223.05-30,670.62-12,666.37

Finding the Fourth Proportional to 22,223.05, 30,670.62 and 12,666.37

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Solution

The fourth proportional to 22,223.05, 30,670.62 and 12,666.37 is: 17,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.05 : 30,670.62 = 12,666.37 : x
  2. Step 2: Convert to fraction form
    22,223.05/30,670.62 = 12,666.37/x
  3. Step 3: Cross multiply
    22,223.05x = 30,670.62 × 12,666.37
  4. Step 4: Simplify right side
    22,223.05x = 388,485,344.37
  5. Step 5: Solve for x
    x = 388,485,344.37/22,223.05
  6. Step 6: Final answer
    x = 17,481.19

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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.