Home / 17,888.42-26,832.90-5,408.54

Finding the Fourth Proportional to 17,888.42, 26,832.90 and 5,408.54

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Solution

The fourth proportional to 17,888.42, 26,832.90 and 5,408.54 is: 8,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.42 : 26,832.90 = 5,408.54 : x
  2. Step 2: Convert to fraction form
    17,888.42/26,832.90 = 5,408.54/x
  3. Step 3: Cross multiply
    17,888.42x = 26,832.90 × 5,408.54
  4. Step 4: Simplify right side
    17,888.42x = 145,126,812.97
  5. Step 5: Solve for x
    x = 145,126,812.97/17,888.42
  6. Step 6: Final answer
    x = 8,112.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.