Home / 13,566.33-20,348.79-5,665.77

Finding the Fourth Proportional to 13,566.33, 20,348.79 and 5,665.77

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Solution

The fourth proportional to 13,566.33, 20,348.79 and 5,665.77 is: 8,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.33 : 20,348.79 = 5,665.77 : x
  2. Step 2: Convert to fraction form
    13,566.33/20,348.79 = 5,665.77/x
  3. Step 3: Cross multiply
    13,566.33x = 20,348.79 × 5,665.77
  4. Step 4: Simplify right side
    13,566.33x = 115,291,563.92
  5. Step 5: Solve for x
    x = 115,291,563.92/13,566.33
  6. Step 6: Final answer
    x = 8,498.36

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1.5x scale

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.