Home / 16,108.58-22,219.58-11,638.89

Finding the Fourth Proportional to 16,108.58, 22,219.58 and 11,638.89

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Solution

The fourth proportional to 16,108.58, 22,219.58 and 11,638.89 is: 16,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.58 : 22,219.58 = 11,638.89 : x
  2. Step 2: Convert to fraction form
    16,108.58/22,219.58 = 11,638.89/x
  3. Step 3: Cross multiply
    16,108.58x = 22,219.58 × 11,638.89
  4. Step 4: Simplify right side
    16,108.58x = 258,611,189.27
  5. Step 5: Solve for x
    x = 258,611,189.27/16,108.58
  6. Step 6: Final answer
    x = 16,054.26

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Half scale
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Double scale
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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.