Home / 13,834.80-19,092.22-7,866.45

Finding the Fourth Proportional to 13,834.80, 19,092.22 and 7,866.45

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Solution

The fourth proportional to 13,834.80, 19,092.22 and 7,866.45 is: 10,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.80 : 19,092.22 = 7,866.45 : x
  2. Step 2: Convert to fraction form
    13,834.80/19,092.22 = 7,866.45/x
  3. Step 3: Cross multiply
    13,834.80x = 19,092.22 × 7,866.45
  4. Step 4: Simplify right side
    13,834.80x = 150,187,994.02
  5. Step 5: Solve for x
    x = 150,187,994.02/13,834.80
  6. Step 6: Final answer
    x = 10,855.81

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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.