Home / 13,729.26-20,596.32-4,976.40

Finding the Fourth Proportional to 13,729.26, 20,596.32 and 4,976.40

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Solution

The fourth proportional to 13,729.26, 20,596.32 and 4,976.40 is: 7,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.26 : 20,596.32 = 4,976.40 : x
  2. Step 2: Convert to fraction form
    13,729.26/20,596.32 = 4,976.40/x
  3. Step 3: Cross multiply
    13,729.26x = 20,596.32 × 4,976.40
  4. Step 4: Simplify right side
    13,729.26x = 102,495,526.85
  5. Step 5: Solve for x
    x = 102,495,526.85/13,729.26
  6. Step 6: Final answer
    x = 7,465.48

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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.