Home / 25,747.37-35,525.99-15,131.31

Finding the Fourth Proportional to 25,747.37, 35,525.99 and 15,131.31

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Solution

The fourth proportional to 25,747.37, 35,525.99 and 15,131.31 is: 20,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.37 : 35,525.99 = 15,131.31 : x
  2. Step 2: Convert to fraction form
    25,747.37/35,525.99 = 15,131.31/x
  3. Step 3: Cross multiply
    25,747.37x = 35,525.99 × 15,131.31
  4. Step 4: Simplify right side
    25,747.37x = 537,554,672.35
  5. Step 5: Solve for x
    x = 537,554,672.35/25,747.37
  6. Step 6: Final answer
    x = 20,878.04

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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.