Home / 45,921.92-68,876.39-14,324.63

Finding the Fourth Proportional to 45,921.92, 68,876.39 and 14,324.63

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Solution

The fourth proportional to 45,921.92, 68,876.39 and 14,324.63 is: 21,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.92 : 68,876.39 = 14,324.63 : x
  2. Step 2: Convert to fraction form
    45,921.92/68,876.39 = 14,324.63/x
  3. Step 3: Cross multiply
    45,921.92x = 68,876.39 × 14,324.63
  4. Step 4: Simplify right side
    45,921.92x = 986,628,493.92
  5. Step 5: Solve for x
    x = 986,628,493.92/45,921.92
  6. Step 6: Final answer
    x = 21,484.92

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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.