Home / 19,556.48-29,331.74-6,408.56

Finding the Fourth Proportional to 19,556.48, 29,331.74 and 6,408.56

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Solution

The fourth proportional to 19,556.48, 29,331.74 and 6,408.56 is: 9,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.48 : 29,331.74 = 6,408.56 : x
  2. Step 2: Convert to fraction form
    19,556.48/29,331.74 = 6,408.56/x
  3. Step 3: Cross multiply
    19,556.48x = 29,331.74 × 6,408.56
  4. Step 4: Simplify right side
    19,556.48x = 187,974,215.69
  5. Step 5: Solve for x
    x = 187,974,215.69/19,556.48
  6. Step 6: Final answer
    x = 9,611.86

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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.