Home / 19,675.50-27,152.19-11,292.54

Finding the Fourth Proportional to 19,675.50, 27,152.19 and 11,292.54

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Solution

The fourth proportional to 19,675.50, 27,152.19 and 11,292.54 is: 15,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.50 : 27,152.19 = 11,292.54 : x
  2. Step 2: Convert to fraction form
    19,675.50/27,152.19 = 11,292.54/x
  3. Step 3: Cross multiply
    19,675.50x = 27,152.19 × 11,292.54
  4. Step 4: Simplify right side
    19,675.50x = 306,617,191.66
  5. Step 5: Solve for x
    x = 306,617,191.66/19,675.50
  6. Step 6: Final answer
    x = 15,583.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.