Home / 17,979.07-26,968.57-4,831.44

Finding the Fourth Proportional to 17,979.07, 26,968.57 and 4,831.44

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Solution

The fourth proportional to 17,979.07, 26,968.57 and 4,831.44 is: 7,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.07 : 26,968.57 = 4,831.44 : x
  2. Step 2: Convert to fraction form
    17,979.07/26,968.57 = 4,831.44/x
  3. Step 3: Cross multiply
    17,979.07x = 26,968.57 × 4,831.44
  4. Step 4: Simplify right side
    17,979.07x = 130,297,027.84
  5. Step 5: Solve for x
    x = 130,297,027.84/17,979.07
  6. Step 6: Final answer
    x = 7,247.15

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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.