Home / 13,808.58-20,715.92-5,043.48

Finding the Fourth Proportional to 13,808.58, 20,715.92 and 5,043.48

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Solution

The fourth proportional to 13,808.58, 20,715.92 and 5,043.48 is: 7,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.58 : 20,715.92 = 5,043.48 : x
  2. Step 2: Convert to fraction form
    13,808.58/20,715.92 = 5,043.48/x
  3. Step 3: Cross multiply
    13,808.58x = 20,715.92 × 5,043.48
  4. Step 4: Simplify right side
    13,808.58x = 104,480,328.20
  5. Step 5: Solve for x
    x = 104,480,328.20/13,808.58
  6. Step 6: Final answer
    x = 7,566.33

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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.