Home / 25,855.66-35,682.96-15,247.36

Finding the Fourth Proportional to 25,855.66, 35,682.96 and 15,247.36

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Solution

The fourth proportional to 25,855.66, 35,682.96 and 15,247.36 is: 21,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.66 : 35,682.96 = 15,247.36 : x
  2. Step 2: Convert to fraction form
    25,855.66/35,682.96 = 15,247.36/x
  3. Step 3: Cross multiply
    25,855.66x = 35,682.96 × 15,247.36
  4. Step 4: Simplify right side
    25,855.66x = 544,070,936.99
  5. Step 5: Solve for x
    x = 544,070,936.99/25,855.66
  6. Step 6: Final answer
    x = 21,042.62

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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.