Home / 16,808.25-23,195.40-9,356.25

Finding the Fourth Proportional to 16,808.25, 23,195.40 and 9,356.25

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Solution

The fourth proportional to 16,808.25, 23,195.40 and 9,356.25 is: 12,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.25 : 23,195.40 = 9,356.25 : x
  2. Step 2: Convert to fraction form
    16,808.25/23,195.40 = 9,356.25/x
  3. Step 3: Cross multiply
    16,808.25x = 23,195.40 × 9,356.25
  4. Step 4: Simplify right side
    16,808.25x = 217,021,961.25
  5. Step 5: Solve for x
    x = 217,021,961.25/16,808.25
  6. Step 6: Final answer
    x = 12,911.63

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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.