Home / 17,979.33-26,970.62-4,831.41

Finding the Fourth Proportional to 17,979.33, 26,970.62 and 4,831.41

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Solution

The fourth proportional to 17,979.33, 26,970.62 and 4,831.41 is: 7,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.33 : 26,970.62 = 4,831.41 : x
  2. Step 2: Convert to fraction form
    17,979.33/26,970.62 = 4,831.41/x
  3. Step 3: Cross multiply
    17,979.33x = 26,970.62 × 4,831.41
  4. Step 4: Simplify right side
    17,979.33x = 130,306,123.17
  5. Step 5: Solve for x
    x = 130,306,123.17/17,979.33
  6. Step 6: Final answer
    x = 7,247.55

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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.