Home / 13,772.54-20,657.73-5,009.42

Finding the Fourth Proportional to 13,772.54, 20,657.73 and 5,009.42

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Solution

The fourth proportional to 13,772.54, 20,657.73 and 5,009.42 is: 7,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.54 : 20,657.73 = 5,009.42 : x
  2. Step 2: Convert to fraction form
    13,772.54/20,657.73 = 5,009.42/x
  3. Step 3: Cross multiply
    13,772.54x = 20,657.73 × 5,009.42
  4. Step 4: Simplify right side
    13,772.54x = 103,483,245.82
  5. Step 5: Solve for x
    x = 103,483,245.82/13,772.54
  6. Step 6: Final answer
    x = 7,513.74

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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.