Home / 16,683.66-23,029.20-9,612.90

Finding the Fourth Proportional to 16,683.66, 23,029.20 and 9,612.90

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Solution

The fourth proportional to 16,683.66, 23,029.20 and 9,612.90 is: 13,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.66 : 23,029.20 = 9,612.90 : x
  2. Step 2: Convert to fraction form
    16,683.66/23,029.20 = 9,612.90/x
  3. Step 3: Cross multiply
    16,683.66x = 23,029.20 × 9,612.90
  4. Step 4: Simplify right side
    16,683.66x = 221,377,396.68
  5. Step 5: Solve for x
    x = 221,377,396.68/16,683.66
  6. Step 6: Final answer
    x = 13,269.11

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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.