Home / 14,400.92-21,561.24-7,365.80

Finding the Fourth Proportional to 14,400.92, 21,561.24 and 7,365.80

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Solution

The fourth proportional to 14,400.92, 21,561.24 and 7,365.80 is: 11,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.92 : 21,561.24 = 7,365.80 : x
  2. Step 2: Convert to fraction form
    14,400.92/21,561.24 = 7,365.80/x
  3. Step 3: Cross multiply
    14,400.92x = 21,561.24 × 7,365.80
  4. Step 4: Simplify right side
    14,400.92x = 158,815,781.59
  5. Step 5: Solve for x
    x = 158,815,781.59/14,400.92
  6. Step 6: Final answer
    x = 11,028.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.