Home / 25,361.53-38,021.68-10,581.46

Finding the Fourth Proportional to 25,361.53, 38,021.68 and 10,581.46

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Solution

The fourth proportional to 25,361.53, 38,021.68 and 10,581.46 is: 15,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.53 : 38,021.68 = 10,581.46 : x
  2. Step 2: Convert to fraction form
    25,361.53/38,021.68 = 10,581.46/x
  3. Step 3: Cross multiply
    25,361.53x = 38,021.68 × 10,581.46
  4. Step 4: Simplify right side
    25,361.53x = 402,324,643.04
  5. Step 5: Solve for x
    x = 402,324,643.04/25,361.53
  6. Step 6: Final answer
    x = 15,863.58

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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.