Home / 19,786.75-29,680.13-5,935.75

Finding the Fourth Proportional to 19,786.75, 29,680.13 and 5,935.75

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Solution

The fourth proportional to 19,786.75, 29,680.13 and 5,935.75 is: 8,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.75 : 29,680.13 = 5,935.75 : x
  2. Step 2: Convert to fraction form
    19,786.75/29,680.13 = 5,935.75/x
  3. Step 3: Cross multiply
    19,786.75x = 29,680.13 × 5,935.75
  4. Step 4: Simplify right side
    19,786.75x = 176,173,831.65
  5. Step 5: Solve for x
    x = 176,173,831.65/19,786.75
  6. Step 6: Final answer
    x = 8,903.63

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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.