Home / 13,831.50-20,740.74-5,060.28

Finding the Fourth Proportional to 13,831.50, 20,740.74 and 5,060.28

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Solution

The fourth proportional to 13,831.50, 20,740.74 and 5,060.28 is: 7,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.50 : 20,740.74 = 5,060.28 : x
  2. Step 2: Convert to fraction form
    13,831.50/20,740.74 = 5,060.28/x
  3. Step 3: Cross multiply
    13,831.50x = 20,740.74 × 5,060.28
  4. Step 4: Simplify right side
    13,831.50x = 104,953,951.81
  5. Step 5: Solve for x
    x = 104,953,951.81/13,831.50
  6. Step 6: Final answer
    x = 7,588.04

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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.