Home / 25,282.80-34,890.12-13,797.72

Finding the Fourth Proportional to 25,282.80, 34,890.12 and 13,797.72

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Solution

The fourth proportional to 25,282.80, 34,890.12 and 13,797.72 is: 19,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.80 : 34,890.12 = 13,797.72 : x
  2. Step 2: Convert to fraction form
    25,282.80/34,890.12 = 13,797.72/x
  3. Step 3: Cross multiply
    25,282.80x = 34,890.12 × 13,797.72
  4. Step 4: Simplify right side
    25,282.80x = 481,404,106.53
  5. Step 5: Solve for x
    x = 481,404,106.53/25,282.80
  6. Step 6: Final answer
    x = 19,040.78

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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.