Home / 13,092.80-19,635.12-4,325.60

Finding the Fourth Proportional to 13,092.80, 19,635.12 and 4,325.60

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Solution

The fourth proportional to 13,092.80, 19,635.12 and 4,325.60 is: 6,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.80 : 19,635.12 = 4,325.60 : x
  2. Step 2: Convert to fraction form
    13,092.80/19,635.12 = 4,325.60/x
  3. Step 3: Cross multiply
    13,092.80x = 19,635.12 × 4,325.60
  4. Step 4: Simplify right side
    13,092.80x = 84,933,675.07
  5. Step 5: Solve for x
    x = 84,933,675.07/13,092.80
  6. Step 6: Final answer
    x = 6,487.05

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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.