Home / 16,168.74-22,313.16-8,999.25

Finding the Fourth Proportional to 16,168.74, 22,313.16 and 8,999.25

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Solution

The fourth proportional to 16,168.74, 22,313.16 and 8,999.25 is: 12,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,168.74 : 22,313.16 = 8,999.25 : x
  2. Step 2: Convert to fraction form
    16,168.74/22,313.16 = 8,999.25/x
  3. Step 3: Cross multiply
    16,168.74x = 22,313.16 × 8,999.25
  4. Step 4: Simplify right side
    16,168.74x = 200,801,705.13
  5. Step 5: Solve for x
    x = 200,801,705.13/16,168.74
  6. Step 6: Final answer
    x = 12,419.13

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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.