Home / 12,592.70-18,876.73-4,689.42

Finding the Fourth Proportional to 12,592.70, 18,876.73 and 4,689.42

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Solution

The fourth proportional to 12,592.70, 18,876.73 and 4,689.42 is: 7,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.70 : 18,876.73 = 4,689.42 : x
  2. Step 2: Convert to fraction form
    12,592.70/18,876.73 = 4,689.42/x
  3. Step 3: Cross multiply
    12,592.70x = 18,876.73 × 4,689.42
  4. Step 4: Simplify right side
    12,592.70x = 88,520,915.20
  5. Step 5: Solve for x
    x = 88,520,915.20/12,592.70
  6. Step 6: Final answer
    x = 7,029.54

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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.