Home / 16,063.64-22,167.90-8,990.06

Finding the Fourth Proportional to 16,063.64, 22,167.90 and 8,990.06

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Solution

The fourth proportional to 16,063.64, 22,167.90 and 8,990.06 is: 12,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,063.64 : 22,167.90 = 8,990.06 : x
  2. Step 2: Convert to fraction form
    16,063.64/22,167.90 = 8,990.06/x
  3. Step 3: Cross multiply
    16,063.64x = 22,167.90 × 8,990.06
  4. Step 4: Simplify right side
    16,063.64x = 199,290,806.49
  5. Step 5: Solve for x
    x = 199,290,806.49/16,063.64
  6. Step 6: Final answer
    x = 12,406.33

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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.