Home / 13,831.49-20,732.16-6,797.54

Finding the Fourth Proportional to 13,831.49, 20,732.16 and 6,797.54

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Solution

The fourth proportional to 13,831.49, 20,732.16 and 6,797.54 is: 10,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.49 : 20,732.16 = 6,797.54 : x
  2. Step 2: Convert to fraction form
    13,831.49/20,732.16 = 6,797.54/x
  3. Step 3: Cross multiply
    13,831.49x = 20,732.16 × 6,797.54
  4. Step 4: Simplify right side
    13,831.49x = 140,927,686.89
  5. Step 5: Solve for x
    x = 140,927,686.89/13,831.49
  6. Step 6: Final answer
    x = 10,188.90

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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.