Home / 16,683.36-23,022.83-9,129.66

Finding the Fourth Proportional to 16,683.36, 23,022.83 and 9,129.66

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Solution

The fourth proportional to 16,683.36, 23,022.83 and 9,129.66 is: 12,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.36 : 23,022.83 = 9,129.66 : x
  2. Step 2: Convert to fraction form
    16,683.36/23,022.83 = 9,129.66/x
  3. Step 3: Cross multiply
    16,683.36x = 23,022.83 × 9,129.66
  4. Step 4: Simplify right side
    16,683.36x = 210,190,610.14
  5. Step 5: Solve for x
    x = 210,190,610.14/16,683.36
  6. Step 6: Final answer
    x = 12,598.82

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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.