Home / 19,091.08-28,634.94-5,240.08

Finding the Fourth Proportional to 19,091.08, 28,634.94 and 5,240.08

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Solution

The fourth proportional to 19,091.08, 28,634.94 and 5,240.08 is: 7,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.08 : 28,634.94 = 5,240.08 : x
  2. Step 2: Convert to fraction form
    19,091.08/28,634.94 = 5,240.08/x
  3. Step 3: Cross multiply
    19,091.08x = 28,634.94 × 5,240.08
  4. Step 4: Simplify right side
    19,091.08x = 150,049,376.40
  5. Step 5: Solve for x
    x = 150,049,376.40/19,091.08
  6. Step 6: Final answer
    x = 7,859.66

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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.