Home / 14,073.99-21,109.91-5,751.78

Finding the Fourth Proportional to 14,073.99, 21,109.91 and 5,751.78

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Solution

The fourth proportional to 14,073.99, 21,109.91 and 5,751.78 is: 8,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.99 : 21,109.91 = 5,751.78 : x
  2. Step 2: Convert to fraction form
    14,073.99/21,109.91 = 5,751.78/x
  3. Step 3: Cross multiply
    14,073.99x = 21,109.91 × 5,751.78
  4. Step 4: Simplify right side
    14,073.99x = 121,419,529.38
  5. Step 5: Solve for x
    x = 121,419,529.38/14,073.99
  6. Step 6: Final answer
    x = 8,627.23

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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.