Home / 13,773.02-20,673.18-6,379.11

Finding the Fourth Proportional to 13,773.02, 20,673.18 and 6,379.11

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Solution

The fourth proportional to 13,773.02, 20,673.18 and 6,379.11 is: 9,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.02 : 20,673.18 = 6,379.11 : x
  2. Step 2: Convert to fraction form
    13,773.02/20,673.18 = 6,379.11/x
  3. Step 3: Cross multiply
    13,773.02x = 20,673.18 × 6,379.11
  4. Step 4: Simplify right side
    13,773.02x = 131,876,489.27
  5. Step 5: Solve for x
    x = 131,876,489.27/13,773.02
  6. Step 6: Final answer
    x = 9,574.99

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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.