Home / 16,728.35-23,085.12-9,276.35

Finding the Fourth Proportional to 16,728.35, 23,085.12 and 9,276.35

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Solution

The fourth proportional to 16,728.35, 23,085.12 and 9,276.35 is: 12,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.35 : 23,085.12 = 9,276.35 : x
  2. Step 2: Convert to fraction form
    16,728.35/23,085.12 = 9,276.35/x
  3. Step 3: Cross multiply
    16,728.35x = 23,085.12 × 9,276.35
  4. Step 4: Simplify right side
    16,728.35x = 214,145,491.10
  5. Step 5: Solve for x
    x = 214,145,491.10/16,728.35
  6. Step 6: Final answer
    x = 12,801.36

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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.