Home / 22,752.09-31,396.41-13,190.45

Finding the Fourth Proportional to 22,752.09, 31,396.41 and 13,190.45

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Solution

The fourth proportional to 22,752.09, 31,396.41 and 13,190.45 is: 18,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.09 : 31,396.41 = 13,190.45 : x
  2. Step 2: Convert to fraction form
    22,752.09/31,396.41 = 13,190.45/x
  3. Step 3: Cross multiply
    22,752.09x = 31,396.41 × 13,190.45
  4. Step 4: Simplify right side
    22,752.09x = 414,132,619.30
  5. Step 5: Solve for x
    x = 414,132,619.30/22,752.09
  6. Step 6: Final answer
    x = 18,201.96

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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.