Home / 25,576.49-35,297.33-15,505.36

Finding the Fourth Proportional to 25,576.49, 35,297.33 and 15,505.36

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Solution

The fourth proportional to 25,576.49, 35,297.33 and 15,505.36 is: 21,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.49 : 35,297.33 = 15,505.36 : x
  2. Step 2: Convert to fraction form
    25,576.49/35,297.33 = 15,505.36/x
  3. Step 3: Cross multiply
    25,576.49x = 35,297.33 × 15,505.36
  4. Step 4: Simplify right side
    25,576.49x = 547,297,632.20
  5. Step 5: Solve for x
    x = 547,297,632.20/25,576.49
  6. Step 6: Final answer
    x = 21,398.47

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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.