Home / 13,353.36-20,023.38-7,808.10

Finding the Fourth Proportional to 13,353.36, 20,023.38 and 7,808.10

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Solution

The fourth proportional to 13,353.36, 20,023.38 and 7,808.10 is: 11,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.36 : 20,023.38 = 7,808.10 : x
  2. Step 2: Convert to fraction form
    13,353.36/20,023.38 = 7,808.10/x
  3. Step 3: Cross multiply
    13,353.36x = 20,023.38 × 7,808.10
  4. Step 4: Simplify right side
    13,353.36x = 156,344,553.38
  5. Step 5: Solve for x
    x = 156,344,553.38/13,353.36
  6. Step 6: Final answer
    x = 11,708.26

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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.