Home / 13,050.45-19,480.16-11,213.37

Finding the Fourth Proportional to 13,050.45, 19,480.16 and 11,213.37

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Solution

The fourth proportional to 13,050.45, 19,480.16 and 11,213.37 is: 16,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.45 : 19,480.16 = 11,213.37 : x
  2. Step 2: Convert to fraction form
    13,050.45/19,480.16 = 11,213.37/x
  3. Step 3: Cross multiply
    13,050.45x = 19,480.16 × 11,213.37
  4. Step 4: Simplify right side
    13,050.45x = 218,438,269.77
  5. Step 5: Solve for x
    x = 218,438,269.77/13,050.45
  6. Step 6: Final answer
    x = 16,737.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.