Home / 25,576.45-35,297.28-15,505.32

Finding the Fourth Proportional to 25,576.45, 35,297.28 and 15,505.32

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Solution

The fourth proportional to 25,576.45, 35,297.28 and 15,505.32 is: 21,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.45 : 35,297.28 = 15,505.32 : x
  2. Step 2: Convert to fraction form
    25,576.45/35,297.28 = 15,505.32/x
  3. Step 3: Cross multiply
    25,576.45x = 35,297.28 × 15,505.32
  4. Step 4: Simplify right side
    25,576.45x = 547,295,621.53
  5. Step 5: Solve for x
    x = 547,295,621.53/25,576.45
  6. Step 6: Final answer
    x = 21,398.42

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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.