Home / 16,697.52-23,042.32-9,143.79

Finding the Fourth Proportional to 16,697.52, 23,042.32 and 9,143.79

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Solution

The fourth proportional to 16,697.52, 23,042.32 and 9,143.79 is: 12,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.52 : 23,042.32 = 9,143.79 : x
  2. Step 2: Convert to fraction form
    16,697.52/23,042.32 = 9,143.79/x
  3. Step 3: Cross multiply
    16,697.52x = 23,042.32 × 9,143.79
  4. Step 4: Simplify right side
    16,697.52x = 210,694,077.36
  5. Step 5: Solve for x
    x = 210,694,077.36/16,697.52
  6. Step 6: Final answer
    x = 12,618.29

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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.