Home / 19,795.78-29,693.98-6,648.26

Finding the Fourth Proportional to 19,795.78, 29,693.98 and 6,648.26

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Solution

The fourth proportional to 19,795.78, 29,693.98 and 6,648.26 is: 9,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.78 : 29,693.98 = 6,648.26 : x
  2. Step 2: Convert to fraction form
    19,795.78/29,693.98 = 6,648.26/x
  3. Step 3: Cross multiply
    19,795.78x = 29,693.98 × 6,648.26
  4. Step 4: Simplify right side
    19,795.78x = 197,413,299.47
  5. Step 5: Solve for x
    x = 197,413,299.47/19,795.78
  6. Step 6: Final answer
    x = 9,972.50

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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.