Home / 25,297.87-34,933.53-15,754.15

Finding the Fourth Proportional to 25,297.87, 34,933.53 and 15,754.15

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Solution

The fourth proportional to 25,297.87, 34,933.53 and 15,754.15 is: 21,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.87 : 34,933.53 = 15,754.15 : x
  2. Step 2: Convert to fraction form
    25,297.87/34,933.53 = 15,754.15/x
  3. Step 3: Cross multiply
    25,297.87x = 34,933.53 × 15,754.15
  4. Step 4: Simplify right side
    25,297.87x = 550,347,889.28
  5. Step 5: Solve for x
    x = 550,347,889.28/25,297.87
  6. Step 6: Final answer
    x = 21,754.71

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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.