Home / 38,571.84-57,842.64-13,606.56

Finding the Fourth Proportional to 38,571.84, 57,842.64 and 13,606.56

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Solution

The fourth proportional to 38,571.84, 57,842.64 and 13,606.56 is: 20,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.84 : 57,842.64 = 13,606.56 : x
  2. Step 2: Convert to fraction form
    38,571.84/57,842.64 = 13,606.56/x
  3. Step 3: Cross multiply
    38,571.84x = 57,842.64 × 13,606.56
  4. Step 4: Simplify right side
    38,571.84x = 787,039,351.72
  5. Step 5: Solve for x
    x = 787,039,351.72/38,571.84
  6. Step 6: Final answer
    x = 20,404.51

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1.5x scale

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.