Home / 13,182.48-19,769.00-4,415.45

Finding the Fourth Proportional to 13,182.48, 19,769.00 and 4,415.45

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Solution

The fourth proportional to 13,182.48, 19,769.00 and 4,415.45 is: 6,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.48 : 19,769.00 = 4,415.45 : x
  2. Step 2: Convert to fraction form
    13,182.48/19,769.00 = 4,415.45/x
  3. Step 3: Cross multiply
    13,182.48x = 19,769.00 × 4,415.45
  4. Step 4: Simplify right side
    13,182.48x = 87,288,910.13
  5. Step 5: Solve for x
    x = 87,288,910.13/13,182.48
  6. Step 6: Final answer
    x = 6,621.58

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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.