Home / 25,285.14-34,896.60-15,218.82

Finding the Fourth Proportional to 25,285.14, 34,896.60 and 15,218.82

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Solution

The fourth proportional to 25,285.14, 34,896.60 and 15,218.82 is: 21,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.14 : 34,896.60 = 15,218.82 : x
  2. Step 2: Convert to fraction form
    25,285.14/34,896.60 = 15,218.82/x
  3. Step 3: Cross multiply
    25,285.14x = 34,896.60 × 15,218.82
  4. Step 4: Simplify right side
    25,285.14x = 531,085,074.01
  5. Step 5: Solve for x
    x = 531,085,074.01/25,285.14
  6. Step 6: Final answer
    x = 21,003.84

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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.