Home / 19,401.56-29,102.22-5,550.56

Finding the Fourth Proportional to 19,401.56, 29,102.22 and 5,550.56

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Solution

The fourth proportional to 19,401.56, 29,102.22 and 5,550.56 is: 8,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.56 : 29,102.22 = 5,550.56 : x
  2. Step 2: Convert to fraction form
    19,401.56/29,102.22 = 5,550.56/x
  3. Step 3: Cross multiply
    19,401.56x = 29,102.22 × 5,550.56
  4. Step 4: Simplify right side
    19,401.56x = 161,533,618.24
  5. Step 5: Solve for x
    x = 161,533,618.24/19,401.56
  6. Step 6: Final answer
    x = 8,325.81

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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.