Home / 22,420.57-30,955.26-13,935.35

Finding the Fourth Proportional to 22,420.57, 30,955.26 and 13,935.35

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Solution

The fourth proportional to 22,420.57, 30,955.26 and 13,935.35 is: 19,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.57 : 30,955.26 = 13,935.35 : x
  2. Step 2: Convert to fraction form
    22,420.57/30,955.26 = 13,935.35/x
  3. Step 3: Cross multiply
    22,420.57x = 30,955.26 × 13,935.35
  4. Step 4: Simplify right side
    22,420.57x = 431,372,227.66
  5. Step 5: Solve for x
    x = 431,372,227.66/22,420.57
  6. Step 6: Final answer
    x = 19,240.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.