Home / 19,010.25-28,515.78-5,863.77

Finding the Fourth Proportional to 19,010.25, 28,515.78 and 5,863.77

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Solution

The fourth proportional to 19,010.25, 28,515.78 and 5,863.77 is: 8,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.25 : 28,515.78 = 5,863.77 : x
  2. Step 2: Convert to fraction form
    19,010.25/28,515.78 = 5,863.77/x
  3. Step 3: Cross multiply
    19,010.25x = 28,515.78 × 5,863.77
  4. Step 4: Simplify right side
    19,010.25x = 167,209,975.29
  5. Step 5: Solve for x
    x = 167,209,975.29/19,010.25
  6. Step 6: Final answer
    x = 8,795.78

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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.