Home / 22,327.05-30,800.73-13,372.92

Finding the Fourth Proportional to 22,327.05, 30,800.73 and 13,372.92

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Solution

The fourth proportional to 22,327.05, 30,800.73 and 13,372.92 is: 18,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.05 : 30,800.73 = 13,372.92 : x
  2. Step 2: Convert to fraction form
    22,327.05/30,800.73 = 13,372.92/x
  3. Step 3: Cross multiply
    22,327.05x = 30,800.73 × 13,372.92
  4. Step 4: Simplify right side
    22,327.05x = 411,895,698.23
  5. Step 5: Solve for x
    x = 411,895,698.23/22,327.05
  6. Step 6: Final answer
    x = 18,448.28

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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.