Home / 14,813.74-20,442.12-8,683.30

Finding the Fourth Proportional to 14,813.74, 20,442.12 and 8,683.30

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Solution

The fourth proportional to 14,813.74, 20,442.12 and 8,683.30 is: 11,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.74 : 20,442.12 = 8,683.30 : x
  2. Step 2: Convert to fraction form
    14,813.74/20,442.12 = 8,683.30/x
  3. Step 3: Cross multiply
    14,813.74x = 20,442.12 × 8,683.30
  4. Step 4: Simplify right side
    14,813.74x = 177,505,060.60
  5. Step 5: Solve for x
    x = 177,505,060.60/14,813.74
  6. Step 6: Final answer
    x = 11,982.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.