Home / 13,725.09-20,575.49-5,931.27

Finding the Fourth Proportional to 13,725.09, 20,575.49 and 5,931.27

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Solution

The fourth proportional to 13,725.09, 20,575.49 and 5,931.27 is: 8,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.09 : 20,575.49 = 5,931.27 : x
  2. Step 2: Convert to fraction form
    13,725.09/20,575.49 = 5,931.27/x
  3. Step 3: Cross multiply
    13,725.09x = 20,575.49 × 5,931.27
  4. Step 4: Simplify right side
    13,725.09x = 122,038,756.92
  5. Step 5: Solve for x
    x = 122,038,756.92/13,725.09
  6. Step 6: Final answer
    x = 8,891.65

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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.