Home / 39,223.50-58,839.14-12,562.79

Finding the Fourth Proportional to 39,223.50, 58,839.14 and 12,562.79

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Solution

The fourth proportional to 39,223.50, 58,839.14 and 12,562.79 is: 18,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.50 : 58,839.14 = 12,562.79 : x
  2. Step 2: Convert to fraction form
    39,223.50/58,839.14 = 12,562.79/x
  3. Step 3: Cross multiply
    39,223.50x = 58,839.14 × 12,562.79
  4. Step 4: Simplify right side
    39,223.50x = 739,183,696.79
  5. Step 5: Solve for x
    x = 739,183,696.79/39,223.50
  6. Step 6: Final answer
    x = 18,845.43

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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.