Home / 19,958.32-29,937.60-5,166.22

Finding the Fourth Proportional to 19,958.32, 29,937.60 and 5,166.22

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Solution

The fourth proportional to 19,958.32, 29,937.60 and 5,166.22 is: 7,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.32 : 29,937.60 = 5,166.22 : x
  2. Step 2: Convert to fraction form
    19,958.32/29,937.60 = 5,166.22/x
  3. Step 3: Cross multiply
    19,958.32x = 29,937.60 × 5,166.22
  4. Step 4: Simplify right side
    19,958.32x = 154,664,227.87
  5. Step 5: Solve for x
    x = 154,664,227.87/19,958.32
  6. Step 6: Final answer
    x = 7,749.36

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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.