Home / 25,619.37-38,427.67-9,831.97

Finding the Fourth Proportional to 25,619.37, 38,427.67 and 9,831.97

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Solution

The fourth proportional to 25,619.37, 38,427.67 and 9,831.97 is: 14,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.37 : 38,427.67 = 9,831.97 : x
  2. Step 2: Convert to fraction form
    25,619.37/38,427.67 = 9,831.97/x
  3. Step 3: Cross multiply
    25,619.37x = 38,427.67 × 9,831.97
  4. Step 4: Simplify right side
    25,619.37x = 377,819,698.61
  5. Step 5: Solve for x
    x = 377,819,698.61/25,619.37
  6. Step 6: Final answer
    x = 14,747.42

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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.