Home / 13,636.92-20,458.64-4,750.96

Finding the Fourth Proportional to 13,636.92, 20,458.64 and 4,750.96

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Solution

The fourth proportional to 13,636.92, 20,458.64 and 4,750.96 is: 7,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.92 : 20,458.64 = 4,750.96 : x
  2. Step 2: Convert to fraction form
    13,636.92/20,458.64 = 4,750.96/x
  3. Step 3: Cross multiply
    13,636.92x = 20,458.64 × 4,750.96
  4. Step 4: Simplify right side
    13,636.92x = 97,198,180.29
  5. Step 5: Solve for x
    x = 97,198,180.29/13,636.92
  6. Step 6: Final answer
    x = 7,127.58

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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.