Home / 22,635.03-31,236.34-12,699.03

Finding the Fourth Proportional to 22,635.03, 31,236.34 and 12,699.03

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Solution

The fourth proportional to 22,635.03, 31,236.34 and 12,699.03 is: 17,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.03 : 31,236.34 = 12,699.03 : x
  2. Step 2: Convert to fraction form
    22,635.03/31,236.34 = 12,699.03/x
  3. Step 3: Cross multiply
    22,635.03x = 31,236.34 × 12,699.03
  4. Step 4: Simplify right side
    22,635.03x = 396,671,218.75
  5. Step 5: Solve for x
    x = 396,671,218.75/22,635.03
  6. Step 6: Final answer
    x = 17,524.66

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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.