Home / 25,938.42-38,908.26-9,299.61

Finding the Fourth Proportional to 25,938.42, 38,908.26 and 9,299.61

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Solution

The fourth proportional to 25,938.42, 38,908.26 and 9,299.61 is: 13,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.42 : 38,908.26 = 9,299.61 : x
  2. Step 2: Convert to fraction form
    25,938.42/38,908.26 = 9,299.61/x
  3. Step 3: Cross multiply
    25,938.42x = 38,908.26 × 9,299.61
  4. Step 4: Simplify right side
    25,938.42x = 361,831,643.78
  5. Step 5: Solve for x
    x = 361,831,643.78/25,938.42
  6. Step 6: Final answer
    x = 13,949.64

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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.