Home / 38,876.10-58,299.51-12,573.78

Finding the Fourth Proportional to 38,876.10, 58,299.51 and 12,573.78

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Solution

The fourth proportional to 38,876.10, 58,299.51 and 12,573.78 is: 18,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,876.10 : 58,299.51 = 12,573.78 : x
  2. Step 2: Convert to fraction form
    38,876.10/58,299.51 = 12,573.78/x
  3. Step 3: Cross multiply
    38,876.10x = 58,299.51 × 12,573.78
  4. Step 4: Simplify right side
    38,876.10x = 733,045,212.85
  5. Step 5: Solve for x
    x = 733,045,212.85/38,876.10
  6. Step 6: Final answer
    x = 18,855.93

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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.