Home / 12,682.10-19,024.07-3,915.88

Finding the Fourth Proportional to 12,682.10, 19,024.07 and 3,915.88

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Solution

The fourth proportional to 12,682.10, 19,024.07 and 3,915.88 is: 5,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.10 : 19,024.07 = 3,915.88 : x
  2. Step 2: Convert to fraction form
    12,682.10/19,024.07 = 3,915.88/x
  3. Step 3: Cross multiply
    12,682.10x = 19,024.07 × 3,915.88
  4. Step 4: Simplify right side
    12,682.10x = 74,495,908.09
  5. Step 5: Solve for x
    x = 74,495,908.09/12,682.10
  6. Step 6: Final answer
    x = 5,874.10

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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.