Home / 35,787.64-53,682-12,414.64

Finding the Fourth Proportional to 35,787.64, 53,682 and 12,414.64

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Solution

The fourth proportional to 35,787.64, 53,682 and 12,414.64 is: 18,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.64 : 53,682 = 12,414.64 : x
  2. Step 2: Convert to fraction form
    35,787.64/53,682 = 12,414.64/x
  3. Step 3: Cross multiply
    35,787.64x = 53,682 × 12,414.64
  4. Step 4: Simplify right side
    35,787.64x = 666,442,704.48
  5. Step 5: Solve for x
    x = 666,442,704.48/35,787.64
  6. Step 6: Final answer
    x = 18,622.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.