Home / 16,075.85-22,190.49-13,086.49

Finding the Fourth Proportional to 16,075.85, 22,190.49 and 13,086.49

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Solution

The fourth proportional to 16,075.85, 22,190.49 and 13,086.49 is: 18,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,075.85 : 22,190.49 = 13,086.49 : x
  2. Step 2: Convert to fraction form
    16,075.85/22,190.49 = 13,086.49/x
  3. Step 3: Cross multiply
    16,075.85x = 22,190.49 × 13,086.49
  4. Step 4: Simplify right side
    16,075.85x = 290,395,625.48
  5. Step 5: Solve for x
    x = 290,395,625.48/16,075.85
  6. Step 6: Final answer
    x = 18,064.10

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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.