Home / 16,130.14-22,290.39-12,144.33

Finding the Fourth Proportional to 16,130.14, 22,290.39 and 12,144.33

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Solution

The fourth proportional to 16,130.14, 22,290.39 and 12,144.33 is: 16,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.14 : 22,290.39 = 12,144.33 : x
  2. Step 2: Convert to fraction form
    16,130.14/22,290.39 = 12,144.33/x
  3. Step 3: Cross multiply
    16,130.14x = 22,290.39 × 12,144.33
  4. Step 4: Simplify right side
    16,130.14x = 270,701,851.99
  5. Step 5: Solve for x
    x = 270,701,851.99/16,130.14
  6. Step 6: Final answer
    x = 16,782.36

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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.