Home / 22,495.37-31,043.05-12,285.98

Finding the Fourth Proportional to 22,495.37, 31,043.05 and 12,285.98

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Solution

The fourth proportional to 22,495.37, 31,043.05 and 12,285.98 is: 16,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.37 : 31,043.05 = 12,285.98 : x
  2. Step 2: Convert to fraction form
    22,495.37/31,043.05 = 12,285.98/x
  3. Step 3: Cross multiply
    22,495.37x = 31,043.05 × 12,285.98
  4. Step 4: Simplify right side
    22,495.37x = 381,394,221.92
  5. Step 5: Solve for x
    x = 381,394,221.92/22,495.37
  6. Step 6: Final answer
    x = 16,954.34

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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.