Home / 19,550.15-29,317.92-7,859.42

Finding the Fourth Proportional to 19,550.15, 29,317.92 and 7,859.42

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Solution

The fourth proportional to 19,550.15, 29,317.92 and 7,859.42 is: 11,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.15 : 29,317.92 = 7,859.42 : x
  2. Step 2: Convert to fraction form
    19,550.15/29,317.92 = 7,859.42/x
  3. Step 3: Cross multiply
    19,550.15x = 29,317.92 × 7,859.42
  4. Step 4: Simplify right side
    19,550.15x = 230,421,846.81
  5. Step 5: Solve for x
    x = 230,421,846.81/19,550.15
  6. Step 6: Final answer
    x = 11,786.19

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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.