Home / 13,831.22-20,749.26-4,473.30

Finding the Fourth Proportional to 13,831.22, 20,749.26 and 4,473.30

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Solution

The fourth proportional to 13,831.22, 20,749.26 and 4,473.30 is: 6,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.22 : 20,749.26 = 4,473.30 : x
  2. Step 2: Convert to fraction form
    13,831.22/20,749.26 = 4,473.30/x
  3. Step 3: Cross multiply
    13,831.22x = 20,749.26 × 4,473.30
  4. Step 4: Simplify right side
    13,831.22x = 92,817,664.76
  5. Step 5: Solve for x
    x = 92,817,664.76/13,831.22
  6. Step 6: Final answer
    x = 6,710.74

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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.