Home / 23,787.10-35,670.36-12,691.36

Finding the Fourth Proportional to 23,787.10, 35,670.36 and 12,691.36

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Solution

The fourth proportional to 23,787.10, 35,670.36 and 12,691.36 is: 19,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,787.10 : 35,670.36 = 12,691.36 : x
  2. Step 2: Convert to fraction form
    23,787.10/35,670.36 = 12,691.36/x
  3. Step 3: Cross multiply
    23,787.10x = 35,670.36 × 12,691.36
  4. Step 4: Simplify right side
    23,787.10x = 452,705,380.09
  5. Step 5: Solve for x
    x = 452,705,380.09/23,787.10
  6. Step 6: Final answer
    x = 19,031.55

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1.5x scale

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.