Home / 22,670.56-31,287.36-12,600.96

Finding the Fourth Proportional to 22,670.56, 31,287.36 and 12,600.96

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Solution

The fourth proportional to 22,670.56, 31,287.36 and 12,600.96 is: 17,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.56 : 31,287.36 = 12,600.96 : x
  2. Step 2: Convert to fraction form
    22,670.56/31,287.36 = 12,600.96/x
  3. Step 3: Cross multiply
    22,670.56x = 31,287.36 × 12,600.96
  4. Step 4: Simplify right side
    22,670.56x = 394,250,771.87
  5. Step 5: Solve for x
    x = 394,250,771.87/22,670.56
  6. Step 6: Final answer
    x = 17,390.43

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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.