Home / 16,683.36-23,020.77-9,967.56

Finding the Fourth Proportional to 16,683.36, 23,020.77 and 9,967.56

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Solution

The fourth proportional to 16,683.36, 23,020.77 and 9,967.56 is: 13,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.36 : 23,020.77 = 9,967.56 : x
  2. Step 2: Convert to fraction form
    16,683.36/23,020.77 = 9,967.56/x
  3. Step 3: Cross multiply
    16,683.36x = 23,020.77 × 9,967.56
  4. Step 4: Simplify right side
    16,683.36x = 229,460,913.94
  5. Step 5: Solve for x
    x = 229,460,913.94/16,683.36
  6. Step 6: Final answer
    x = 13,753.88

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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.