Home / 16,533.45-22,789.62-12,942.32

Finding the Fourth Proportional to 16,533.45, 22,789.62 and 12,942.32

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Solution

The fourth proportional to 16,533.45, 22,789.62 and 12,942.32 is: 17,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,533.45 : 22,789.62 = 12,942.32 : x
  2. Step 2: Convert to fraction form
    16,533.45/22,789.62 = 12,942.32/x
  3. Step 3: Cross multiply
    16,533.45x = 22,789.62 × 12,942.32
  4. Step 4: Simplify right side
    16,533.45x = 294,950,440.77
  5. Step 5: Solve for x
    x = 294,950,440.77/16,533.45
  6. Step 6: Final answer
    x = 17,839.62

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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.