Home / 16,840.02-23,239.39-9,286.62

Finding the Fourth Proportional to 16,840.02, 23,239.39 and 9,286.62

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Solution

The fourth proportional to 16,840.02, 23,239.39 and 9,286.62 is: 12,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.02 : 23,239.39 = 9,286.62 : x
  2. Step 2: Convert to fraction form
    16,840.02/23,239.39 = 9,286.62/x
  3. Step 3: Cross multiply
    16,840.02x = 23,239.39 × 9,286.62
  4. Step 4: Simplify right side
    16,840.02x = 215,815,395.57
  5. Step 5: Solve for x
    x = 215,815,395.57/16,840.02
  6. Step 6: Final answer
    x = 12,815.62

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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.