Home / 16,825.91-23,219.45-9,169.25

Finding the Fourth Proportional to 16,825.91, 23,219.45 and 9,169.25

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Solution

The fourth proportional to 16,825.91, 23,219.45 and 9,169.25 is: 12,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.91 : 23,219.45 = 9,169.25 : x
  2. Step 2: Convert to fraction form
    16,825.91/23,219.45 = 9,169.25/x
  3. Step 3: Cross multiply
    16,825.91x = 23,219.45 × 9,169.25
  4. Step 4: Simplify right side
    16,825.91x = 212,904,859.90
  5. Step 5: Solve for x
    x = 212,904,859.90/16,825.91
  6. Step 6: Final answer
    x = 12,653.40

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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.