Home / 38,772.69-58,122.09-12,458.96

Finding the Fourth Proportional to 38,772.69, 58,122.09 and 12,458.96

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Solution

The fourth proportional to 38,772.69, 58,122.09 and 12,458.96 is: 18,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.69 : 58,122.09 = 12,458.96 : x
  2. Step 2: Convert to fraction form
    38,772.69/58,122.09 = 12,458.96/x
  3. Step 3: Cross multiply
    38,772.69x = 58,122.09 × 12,458.96
  4. Step 4: Simplify right side
    38,772.69x = 724,140,503.82
  5. Step 5: Solve for x
    x = 724,140,503.82/38,772.69
  6. Step 6: Final answer
    x = 18,676.56

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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.