Home / 13,159.78-19,722.66-9,846.88

Finding the Fourth Proportional to 13,159.78, 19,722.66 and 9,846.88

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Solution

The fourth proportional to 13,159.78, 19,722.66 and 9,846.88 is: 14,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.78 : 19,722.66 = 9,846.88 : x
  2. Step 2: Convert to fraction form
    13,159.78/19,722.66 = 9,846.88/x
  3. Step 3: Cross multiply
    13,159.78x = 19,722.66 × 9,846.88
  4. Step 4: Simplify right side
    13,159.78x = 194,206,666.30
  5. Step 5: Solve for x
    x = 194,206,666.30/13,159.78
  6. Step 6: Final answer
    x = 14,757.59

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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.