Home / 16,809.36-23,196.30-9,255.60

Finding the Fourth Proportional to 16,809.36, 23,196.30 and 9,255.60

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Solution

The fourth proportional to 16,809.36, 23,196.30 and 9,255.60 is: 12,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.36 : 23,196.30 = 9,255.60 : x
  2. Step 2: Convert to fraction form
    16,809.36/23,196.30 = 9,255.60/x
  3. Step 3: Cross multiply
    16,809.36x = 23,196.30 × 9,255.60
  4. Step 4: Simplify right side
    16,809.36x = 214,695,674.28
  5. Step 5: Solve for x
    x = 214,695,674.28/16,809.36
  6. Step 6: Final answer
    x = 12,772.39

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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.