Home / 13,831.90-20,747.84-5,067.50

Finding the Fourth Proportional to 13,831.90, 20,747.84 and 5,067.50

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Solution

The fourth proportional to 13,831.90, 20,747.84 and 5,067.50 is: 7,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.90 : 20,747.84 = 5,067.50 : x
  2. Step 2: Convert to fraction form
    13,831.90/20,747.84 = 5,067.50/x
  3. Step 3: Cross multiply
    13,831.90x = 20,747.84 × 5,067.50
  4. Step 4: Simplify right side
    13,831.90x = 105,139,550.12
  5. Step 5: Solve for x
    x = 105,139,550.12/13,831.90
  6. Step 6: Final answer
    x = 7,601.24

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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.