Home / 15,227.62-22,786.05-12,570.41

Finding the Fourth Proportional to 15,227.62, 22,786.05 and 12,570.41

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Solution

The fourth proportional to 15,227.62, 22,786.05 and 12,570.41 is: 18,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.62 : 22,786.05 = 12,570.41 : x
  2. Step 2: Convert to fraction form
    15,227.62/22,786.05 = 12,570.41/x
  3. Step 3: Cross multiply
    15,227.62x = 22,786.05 × 12,570.41
  4. Step 4: Simplify right side
    15,227.62x = 286,430,094.88
  5. Step 5: Solve for x
    x = 286,430,094.88/15,227.62
  6. Step 6: Final answer
    x = 18,809.91

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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.