Home / 16,219.45-22,382.84-8,767.45

Finding the Fourth Proportional to 16,219.45, 22,382.84 and 8,767.45

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Solution

The fourth proportional to 16,219.45, 22,382.84 and 8,767.45 is: 12,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.45 : 22,382.84 = 8,767.45 : x
  2. Step 2: Convert to fraction form
    16,219.45/22,382.84 = 8,767.45/x
  3. Step 3: Cross multiply
    16,219.45x = 22,382.84 × 8,767.45
  4. Step 4: Simplify right side
    16,219.45x = 196,240,274.81
  5. Step 5: Solve for x
    x = 196,240,274.81/16,219.45
  6. Step 6: Final answer
    x = 12,099.07

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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.