Home / 13,364.46-20,031.20-5,039.16

Finding the Fourth Proportional to 13,364.46, 20,031.20 and 5,039.16

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Solution

The fourth proportional to 13,364.46, 20,031.20 and 5,039.16 is: 7,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.46 : 20,031.20 = 5,039.16 : x
  2. Step 2: Convert to fraction form
    13,364.46/20,031.20 = 5,039.16/x
  3. Step 3: Cross multiply
    13,364.46x = 20,031.20 × 5,039.16
  4. Step 4: Simplify right side
    13,364.46x = 100,940,421.79
  5. Step 5: Solve for x
    x = 100,940,421.79/13,364.46
  6. Step 6: Final answer
    x = 7,552.90

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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.