Home / 13,247.81-19,867.32-5,348.28

Finding the Fourth Proportional to 13,247.81, 19,867.32 and 5,348.28

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Solution

The fourth proportional to 13,247.81, 19,867.32 and 5,348.28 is: 8,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.81 : 19,867.32 = 5,348.28 : x
  2. Step 2: Convert to fraction form
    13,247.81/19,867.32 = 5,348.28/x
  3. Step 3: Cross multiply
    13,247.81x = 19,867.32 × 5,348.28
  4. Step 4: Simplify right side
    13,247.81x = 106,255,990.21
  5. Step 5: Solve for x
    x = 106,255,990.21/13,247.81
  6. Step 6: Final answer
    x = 8,020.65

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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.