Home / 13,356.27-20,030.37-4,469.34

Finding the Fourth Proportional to 13,356.27, 20,030.37 and 4,469.34

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Solution

The fourth proportional to 13,356.27, 20,030.37 and 4,469.34 is: 6,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.27 : 20,030.37 = 4,469.34 : x
  2. Step 2: Convert to fraction form
    13,356.27/20,030.37 = 4,469.34/x
  3. Step 3: Cross multiply
    13,356.27x = 20,030.37 × 4,469.34
  4. Step 4: Simplify right side
    13,356.27x = 89,522,533.86
  5. Step 5: Solve for x
    x = 89,522,533.86/13,356.27
  6. Step 6: Final answer
    x = 6,702.66

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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.