Home / 25,991.28-35,866.08-15,234.48

Finding the Fourth Proportional to 25,991.28, 35,866.08 and 15,234.48

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Solution

The fourth proportional to 25,991.28, 35,866.08 and 15,234.48 is: 21,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.28 : 35,866.08 = 15,234.48 : x
  2. Step 2: Convert to fraction form
    25,991.28/35,866.08 = 15,234.48/x
  3. Step 3: Cross multiply
    25,991.28x = 35,866.08 × 15,234.48
  4. Step 4: Simplify right side
    25,991.28x = 546,401,078.44
  5. Step 5: Solve for x
    x = 546,401,078.44/25,991.28
  6. Step 6: Final answer
    x = 21,022.48

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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.