Home / 25,090.72-34,625.24-13,760.30

Finding the Fourth Proportional to 25,090.72, 34,625.24 and 13,760.30

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Solution

The fourth proportional to 25,090.72, 34,625.24 and 13,760.30 is: 18,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.72 : 34,625.24 = 13,760.30 : x
  2. Step 2: Convert to fraction form
    25,090.72/34,625.24 = 13,760.30/x
  3. Step 3: Cross multiply
    25,090.72x = 34,625.24 × 13,760.30
  4. Step 4: Simplify right side
    25,090.72x = 476,453,689.97
  5. Step 5: Solve for x
    x = 476,453,689.97/25,090.72
  6. Step 6: Final answer
    x = 18,989.24

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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.