Home / 12,533.04-18,800.04-3,769.20

Finding the Fourth Proportional to 12,533.04, 18,800.04 and 3,769.20

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Solution

The fourth proportional to 12,533.04, 18,800.04 and 3,769.20 is: 5,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.04 : 18,800.04 = 3,769.20 : x
  2. Step 2: Convert to fraction form
    12,533.04/18,800.04 = 3,769.20/x
  3. Step 3: Cross multiply
    12,533.04x = 18,800.04 × 3,769.20
  4. Step 4: Simplify right side
    12,533.04x = 70,861,110.77
  5. Step 5: Solve for x
    x = 70,861,110.77/12,533.04
  6. Step 6: Final answer
    x = 5,653.94

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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.