Home / 13,060.79-18,023.34-7,395.85

Finding the Fourth Proportional to 13,060.79, 18,023.34 and 7,395.85

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Solution

The fourth proportional to 13,060.79, 18,023.34 and 7,395.85 is: 10,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.79 : 18,023.34 = 7,395.85 : x
  2. Step 2: Convert to fraction form
    13,060.79/18,023.34 = 7,395.85/x
  3. Step 3: Cross multiply
    13,060.79x = 18,023.34 × 7,395.85
  4. Step 4: Simplify right side
    13,060.79x = 133,297,919.14
  5. Step 5: Solve for x
    x = 133,297,919.14/13,060.79
  6. Step 6: Final answer
    x = 10,205.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.