Home / 12,501.99-17,180.61-11,923.80

Finding the Fourth Proportional to 12,501.99, 17,180.61 and 11,923.80

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Solution

The fourth proportional to 12,501.99, 17,180.61 and 11,923.80 is: 16,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.99 : 17,180.61 = 11,923.80 : x
  2. Step 2: Convert to fraction form
    12,501.99/17,180.61 = 11,923.80/x
  3. Step 3: Cross multiply
    12,501.99x = 17,180.61 × 11,923.80
  4. Step 4: Simplify right side
    12,501.99x = 204,858,157.52
  5. Step 5: Solve for x
    x = 204,858,157.52/12,501.99
  6. Step 6: Final answer
    x = 16,386.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.