Home / 16,728.75-23,085.68-9,276.75

Finding the Fourth Proportional to 16,728.75, 23,085.68 and 9,276.75

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Solution

The fourth proportional to 16,728.75, 23,085.68 and 9,276.75 is: 12,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.75 : 23,085.68 = 9,276.75 : x
  2. Step 2: Convert to fraction form
    16,728.75/23,085.68 = 9,276.75/x
  3. Step 3: Cross multiply
    16,728.75x = 23,085.68 × 9,276.75
  4. Step 4: Simplify right side
    16,728.75x = 214,160,035.56
  5. Step 5: Solve for x
    x = 214,160,035.56/16,728.75
  6. Step 6: Final answer
    x = 12,801.92

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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.