Home / 16,795.78-23,179.20-9,724.66

Finding the Fourth Proportional to 16,795.78, 23,179.20 and 9,724.66

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Solution

The fourth proportional to 16,795.78, 23,179.20 and 9,724.66 is: 13,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,795.78 : 23,179.20 = 9,724.66 : x
  2. Step 2: Convert to fraction form
    16,795.78/23,179.20 = 9,724.66/x
  3. Step 3: Cross multiply
    16,795.78x = 23,179.20 × 9,724.66
  4. Step 4: Simplify right side
    16,795.78x = 225,409,839.07
  5. Step 5: Solve for x
    x = 225,409,839.07/16,795.78
  6. Step 6: Final answer
    x = 13,420.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.