Home / 13,636.56-20,449.64-6,235.82

Finding the Fourth Proportional to 13,636.56, 20,449.64 and 6,235.82

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Solution

The fourth proportional to 13,636.56, 20,449.64 and 6,235.82 is: 9,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.56 : 20,449.64 = 6,235.82 : x
  2. Step 2: Convert to fraction form
    13,636.56/20,449.64 = 6,235.82/x
  3. Step 3: Cross multiply
    13,636.56x = 20,449.64 × 6,235.82
  4. Step 4: Simplify right side
    13,636.56x = 127,520,274.10
  5. Step 5: Solve for x
    x = 127,520,274.10/13,636.56
  6. Step 6: Final answer
    x = 9,351.35

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1.5x scale

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.