Home / 16,879.46-23,293.98-10,921.50

Finding the Fourth Proportional to 16,879.46, 23,293.98 and 10,921.50

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Solution

The fourth proportional to 16,879.46, 23,293.98 and 10,921.50 is: 15,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.46 : 23,293.98 = 10,921.50 : x
  2. Step 2: Convert to fraction form
    16,879.46/23,293.98 = 10,921.50/x
  3. Step 3: Cross multiply
    16,879.46x = 23,293.98 × 10,921.50
  4. Step 4: Simplify right side
    16,879.46x = 254,405,202.57
  5. Step 5: Solve for x
    x = 254,405,202.57/16,879.46
  6. Step 6: Final answer
    x = 15,071.88

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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.