Home / 25,704.83-35,473.14-15,633.70

Finding the Fourth Proportional to 25,704.83, 35,473.14 and 15,633.70

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Solution

The fourth proportional to 25,704.83, 35,473.14 and 15,633.70 is: 21,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.83 : 35,473.14 = 15,633.70 : x
  2. Step 2: Convert to fraction form
    25,704.83/35,473.14 = 15,633.70/x
  3. Step 3: Cross multiply
    25,704.83x = 35,473.14 × 15,633.70
  4. Step 4: Simplify right side
    25,704.83x = 554,576,340.14
  5. Step 5: Solve for x
    x = 554,576,340.14/25,704.83
  6. Step 6: Final answer
    x = 21,574.79

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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.