Home / 13,887.42-20,831.13-6,096.30

Finding the Fourth Proportional to 13,887.42, 20,831.13 and 6,096.30

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Solution

The fourth proportional to 13,887.42, 20,831.13 and 6,096.30 is: 9,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.42 : 20,831.13 = 6,096.30 : x
  2. Step 2: Convert to fraction form
    13,887.42/20,831.13 = 6,096.30/x
  3. Step 3: Cross multiply
    13,887.42x = 20,831.13 × 6,096.30
  4. Step 4: Simplify right side
    13,887.42x = 126,992,817.82
  5. Step 5: Solve for x
    x = 126,992,817.82/13,887.42
  6. Step 6: Final answer
    x = 9,144.45

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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.