Home / 13,353.30-20,020.72-5,853.26

Finding the Fourth Proportional to 13,353.30, 20,020.72 and 5,853.26

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Solution

The fourth proportional to 13,353.30, 20,020.72 and 5,853.26 is: 8,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.30 : 20,020.72 = 5,853.26 : x
  2. Step 2: Convert to fraction form
    13,353.30/20,020.72 = 5,853.26/x
  3. Step 3: Cross multiply
    13,353.30x = 20,020.72 × 5,853.26
  4. Step 4: Simplify right side
    13,353.30x = 117,186,479.55
  5. Step 5: Solve for x
    x = 117,186,479.55/13,353.30
  6. Step 6: Final answer
    x = 8,775.85

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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.