Home / 16,199.94-22,355.40-9,126.21

Finding the Fourth Proportional to 16,199.94, 22,355.40 and 9,126.21

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Solution

The fourth proportional to 16,199.94, 22,355.40 and 9,126.21 is: 12,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,199.94 : 22,355.40 = 9,126.21 : x
  2. Step 2: Convert to fraction form
    16,199.94/22,355.40 = 9,126.21/x
  3. Step 3: Cross multiply
    16,199.94x = 22,355.40 × 9,126.21
  4. Step 4: Simplify right side
    16,199.94x = 204,020,075.03
  5. Step 5: Solve for x
    x = 204,020,075.03/16,199.94
  6. Step 6: Final answer
    x = 12,593.88

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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.