Home / 12,800.26-19,195.77-4,904.99

Finding the Fourth Proportional to 12,800.26, 19,195.77 and 4,904.99

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Solution

The fourth proportional to 12,800.26, 19,195.77 and 4,904.99 is: 7,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.26 : 19,195.77 = 4,904.99 : x
  2. Step 2: Convert to fraction form
    12,800.26/19,195.77 = 4,904.99/x
  3. Step 3: Cross multiply
    12,800.26x = 19,195.77 × 4,904.99
  4. Step 4: Simplify right side
    12,800.26x = 94,155,059.89
  5. Step 5: Solve for x
    x = 94,155,059.89/12,800.26
  6. Step 6: Final answer
    x = 7,355.71

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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.