Home / 13,364.48-20,031.21-5,039.16

Finding the Fourth Proportional to 13,364.48, 20,031.21 and 5,039.16

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Solution

The fourth proportional to 13,364.48, 20,031.21 and 5,039.16 is: 7,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.48 : 20,031.21 = 5,039.16 : x
  2. Step 2: Convert to fraction form
    13,364.48/20,031.21 = 5,039.16/x
  3. Step 3: Cross multiply
    13,364.48x = 20,031.21 × 5,039.16
  4. Step 4: Simplify right side
    13,364.48x = 100,940,472.18
  5. Step 5: Solve for x
    x = 100,940,472.18/13,364.48
  6. Step 6: Final answer
    x = 7,552.89

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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.