Home / 13,577.02-20,366.64-3,717.09

Finding the Fourth Proportional to 13,577.02, 20,366.64 and 3,717.09

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Solution

The fourth proportional to 13,577.02, 20,366.64 and 3,717.09 is: 5,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.02 : 20,366.64 = 3,717.09 : x
  2. Step 2: Convert to fraction form
    13,577.02/20,366.64 = 3,717.09/x
  3. Step 3: Cross multiply
    13,577.02x = 20,366.64 × 3,717.09
  4. Step 4: Simplify right side
    13,577.02x = 75,704,633.88
  5. Step 5: Solve for x
    x = 75,704,633.88/13,577.02
  6. Step 6: Final answer
    x = 5,575.94

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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.