Home / 22,946.82-31,664.67-12,873.90

Finding the Fourth Proportional to 22,946.82, 31,664.67 and 12,873.90

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Solution

The fourth proportional to 22,946.82, 31,664.67 and 12,873.90 is: 17,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.82 : 31,664.67 = 12,873.90 : x
  2. Step 2: Convert to fraction form
    22,946.82/31,664.67 = 12,873.90/x
  3. Step 3: Cross multiply
    22,946.82x = 31,664.67 × 12,873.90
  4. Step 4: Simplify right side
    22,946.82x = 407,647,795.11
  5. Step 5: Solve for x
    x = 407,647,795.11/22,946.82
  6. Step 6: Final answer
    x = 17,764.89

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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.