Home / 13,247.50-19,872.06-4,013.50

Finding the Fourth Proportional to 13,247.50, 19,872.06 and 4,013.50

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Solution

The fourth proportional to 13,247.50, 19,872.06 and 4,013.50 is: 6,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.50 : 19,872.06 = 4,013.50 : x
  2. Step 2: Convert to fraction form
    13,247.50/19,872.06 = 4,013.50/x
  3. Step 3: Cross multiply
    13,247.50x = 19,872.06 × 4,013.50
  4. Step 4: Simplify right side
    13,247.50x = 79,756,512.81
  5. Step 5: Solve for x
    x = 79,756,512.81/13,247.50
  6. Step 6: Final answer
    x = 6,020.50

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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.