Home / 13,831.87-20,741.31-5,060.65

Finding the Fourth Proportional to 13,831.87, 20,741.31 and 5,060.65

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Solution

The fourth proportional to 13,831.87, 20,741.31 and 5,060.65 is: 7,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.87 : 20,741.31 = 5,060.65 : x
  2. Step 2: Convert to fraction form
    13,831.87/20,741.31 = 5,060.65/x
  3. Step 3: Cross multiply
    13,831.87x = 20,741.31 × 5,060.65
  4. Step 4: Simplify right side
    13,831.87x = 104,964,510.45
  5. Step 5: Solve for x
    x = 104,964,510.45/13,831.87
  6. Step 6: Final answer
    x = 7,588.60

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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.