Home / 17,818.32-26,728.16-7,957.68

Finding the Fourth Proportional to 17,818.32, 26,728.16 and 7,957.68

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Solution

The fourth proportional to 17,818.32, 26,728.16 and 7,957.68 is: 11,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.32 : 26,728.16 = 7,957.68 : x
  2. Step 2: Convert to fraction form
    17,818.32/26,728.16 = 7,957.68/x
  3. Step 3: Cross multiply
    17,818.32x = 26,728.16 × 7,957.68
  4. Step 4: Simplify right side
    17,818.32x = 212,694,144.27
  5. Step 5: Solve for x
    x = 212,694,144.27/17,818.32
  6. Step 6: Final answer
    x = 11,936.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.