Home / 14,745.99-20,350.32-11,105.52

Finding the Fourth Proportional to 14,745.99, 20,350.32 and 11,105.52

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Solution

The fourth proportional to 14,745.99, 20,350.32 and 11,105.52 is: 15,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.99 : 20,350.32 = 11,105.52 : x
  2. Step 2: Convert to fraction form
    14,745.99/20,350.32 = 11,105.52/x
  3. Step 3: Cross multiply
    14,745.99x = 20,350.32 × 11,105.52
  4. Step 4: Simplify right side
    14,745.99x = 226,000,885.77
  5. Step 5: Solve for x
    x = 226,000,885.77/14,745.99
  6. Step 6: Final answer
    x = 15,326.26

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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.