Home / 25,563.24-38,356.03-8,935.21

Finding the Fourth Proportional to 25,563.24, 38,356.03 and 8,935.21

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Solution

The fourth proportional to 25,563.24, 38,356.03 and 8,935.21 is: 13,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.24 : 38,356.03 = 8,935.21 : x
  2. Step 2: Convert to fraction form
    25,563.24/38,356.03 = 8,935.21/x
  3. Step 3: Cross multiply
    25,563.24x = 38,356.03 × 8,935.21
  4. Step 4: Simplify right side
    25,563.24x = 342,719,064.59
  5. Step 5: Solve for x
    x = 342,719,064.59/25,563.24
  6. Step 6: Final answer
    x = 13,406.71

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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.