Home / 13,625.04-20,437.52-3,764.30

Finding the Fourth Proportional to 13,625.04, 20,437.52 and 3,764.30

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Solution

The fourth proportional to 13,625.04, 20,437.52 and 3,764.30 is: 5,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.04 : 20,437.52 = 3,764.30 : x
  2. Step 2: Convert to fraction form
    13,625.04/20,437.52 = 3,764.30/x
  3. Step 3: Cross multiply
    13,625.04x = 20,437.52 × 3,764.30
  4. Step 4: Simplify right side
    13,625.04x = 76,932,893.01
  5. Step 5: Solve for x
    x = 76,932,893.01/13,625.04
  6. Step 6: Final answer
    x = 5,646.44

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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.