Home / 16,009.98-22,091.13-8,936.40

Finding the Fourth Proportional to 16,009.98, 22,091.13 and 8,936.40

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Solution

The fourth proportional to 16,009.98, 22,091.13 and 8,936.40 is: 12,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,009.98 : 22,091.13 = 8,936.40 : x
  2. Step 2: Convert to fraction form
    16,009.98/22,091.13 = 8,936.40/x
  3. Step 3: Cross multiply
    16,009.98x = 22,091.13 × 8,936.40
  4. Step 4: Simplify right side
    16,009.98x = 197,415,174.13
  5. Step 5: Solve for x
    x = 197,415,174.13/16,009.98
  6. Step 6: Final answer
    x = 12,330.76

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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.