Home / 38,825.40-58,246.20-12,532.80

Finding the Fourth Proportional to 38,825.40, 58,246.20 and 12,532.80

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Solution

The fourth proportional to 38,825.40, 58,246.20 and 12,532.80 is: 18,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,825.40 : 58,246.20 = 12,532.80 : x
  2. Step 2: Convert to fraction form
    38,825.40/58,246.20 = 12,532.80/x
  3. Step 3: Cross multiply
    38,825.40x = 58,246.20 × 12,532.80
  4. Step 4: Simplify right side
    38,825.40x = 729,987,975.36
  5. Step 5: Solve for x
    x = 729,987,975.36/38,825.40
  6. Step 6: Final answer
    x = 18,801.81

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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.