Home / 13,550.61-20,320.87-4,663.46

Finding the Fourth Proportional to 13,550.61, 20,320.87 and 4,663.46

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Solution

The fourth proportional to 13,550.61, 20,320.87 and 4,663.46 is: 6,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.61 : 20,320.87 = 4,663.46 : x
  2. Step 2: Convert to fraction form
    13,550.61/20,320.87 = 4,663.46/x
  3. Step 3: Cross multiply
    13,550.61x = 20,320.87 × 4,663.46
  4. Step 4: Simplify right side
    13,550.61x = 94,765,564.41
  5. Step 5: Solve for x
    x = 94,765,564.41/13,550.61
  6. Step 6: Final answer
    x = 6,993.45

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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.