Home / 19,550.85-29,326.32-4,759.74

Finding the Fourth Proportional to 19,550.85, 29,326.32 and 4,759.74

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Solution

The fourth proportional to 19,550.85, 29,326.32 and 4,759.74 is: 7,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.85 : 29,326.32 = 4,759.74 : x
  2. Step 2: Convert to fraction form
    19,550.85/29,326.32 = 4,759.74/x
  3. Step 3: Cross multiply
    19,550.85x = 29,326.32 × 4,759.74
  4. Step 4: Simplify right side
    19,550.85x = 139,585,658.36
  5. Step 5: Solve for x
    x = 139,585,658.36/19,550.85
  6. Step 6: Final answer
    x = 7,139.62

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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.