Home / 17,872.72-26,798.82-6,772.34

Finding the Fourth Proportional to 17,872.72, 26,798.82 and 6,772.34

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Solution

The fourth proportional to 17,872.72, 26,798.82 and 6,772.34 is: 10,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.72 : 26,798.82 = 6,772.34 : x
  2. Step 2: Convert to fraction form
    17,872.72/26,798.82 = 6,772.34/x
  3. Step 3: Cross multiply
    17,872.72x = 26,798.82 × 6,772.34
  4. Step 4: Simplify right side
    17,872.72x = 181,490,703.71
  5. Step 5: Solve for x
    x = 181,490,703.71/17,872.72
  6. Step 6: Final answer
    x = 10,154.62

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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.