Home / 25,014.26-37,488.31-13,143.78

Finding the Fourth Proportional to 25,014.26, 37,488.31 and 13,143.78

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Solution

The fourth proportional to 25,014.26, 37,488.31 and 13,143.78 is: 19,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.26 : 37,488.31 = 13,143.78 : x
  2. Step 2: Convert to fraction form
    25,014.26/37,488.31 = 13,143.78/x
  3. Step 3: Cross multiply
    25,014.26x = 37,488.31 × 13,143.78
  4. Step 4: Simplify right side
    25,014.26x = 492,737,846.05
  5. Step 5: Solve for x
    x = 492,737,846.05/25,014.26
  6. Step 6: Final answer
    x = 19,698.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.