Home / 15,809.63-23,676.35-8,772.98

Finding the Fourth Proportional to 15,809.63, 23,676.35 and 8,772.98

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Solution

The fourth proportional to 15,809.63, 23,676.35 and 8,772.98 is: 13,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.63 : 23,676.35 = 8,772.98 : x
  2. Step 2: Convert to fraction form
    15,809.63/23,676.35 = 8,772.98/x
  3. Step 3: Cross multiply
    15,809.63x = 23,676.35 × 8,772.98
  4. Step 4: Simplify right side
    15,809.63x = 207,711,982.78
  5. Step 5: Solve for x
    x = 207,711,982.78/15,809.63
  6. Step 6: Final answer
    x = 13,138.32

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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.