Home / 13,152.46-19,728-4,831.84

Finding the Fourth Proportional to 13,152.46, 19,728 and 4,831.84

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Solution

The fourth proportional to 13,152.46, 19,728 and 4,831.84 is: 7,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.46 : 19,728 = 4,831.84 : x
  2. Step 2: Convert to fraction form
    13,152.46/19,728 = 4,831.84/x
  3. Step 3: Cross multiply
    13,152.46x = 19,728 × 4,831.84
  4. Step 4: Simplify right side
    13,152.46x = 95,322,539.52
  5. Step 5: Solve for x
    x = 95,322,539.52/13,152.46
  6. Step 6: Final answer
    x = 7,247.51

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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.