Home / 25,629.50-38,424.06-9,831.50

Finding the Fourth Proportional to 25,629.50, 38,424.06 and 9,831.50

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Solution

The fourth proportional to 25,629.50, 38,424.06 and 9,831.50 is: 14,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.50 : 38,424.06 = 9,831.50 : x
  2. Step 2: Convert to fraction form
    25,629.50/38,424.06 = 9,831.50/x
  3. Step 3: Cross multiply
    25,629.50x = 38,424.06 × 9,831.50
  4. Step 4: Simplify right side
    25,629.50x = 377,766,145.89
  5. Step 5: Solve for x
    x = 377,766,145.89/25,629.50
  6. Step 6: Final answer
    x = 14,739.51

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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.