Home / 13,331.24-18,396.36-8,295.30

Finding the Fourth Proportional to 13,331.24, 18,396.36 and 8,295.30

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Solution

The fourth proportional to 13,331.24, 18,396.36 and 8,295.30 is: 11,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.24 : 18,396.36 = 8,295.30 : x
  2. Step 2: Convert to fraction form
    13,331.24/18,396.36 = 8,295.30/x
  3. Step 3: Cross multiply
    13,331.24x = 18,396.36 × 8,295.30
  4. Step 4: Simplify right side
    13,331.24x = 152,603,325.11
  5. Step 5: Solve for x
    x = 152,603,325.11/13,331.24
  6. Step 6: Final answer
    x = 11,447.05

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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.