Home / 13,627.87-20,436.93-4,265.08

Finding the Fourth Proportional to 13,627.87, 20,436.93 and 4,265.08

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Solution

The fourth proportional to 13,627.87, 20,436.93 and 4,265.08 is: 6,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.87 : 20,436.93 = 4,265.08 : x
  2. Step 2: Convert to fraction form
    13,627.87/20,436.93 = 4,265.08/x
  3. Step 3: Cross multiply
    13,627.87x = 20,436.93 × 4,265.08
  4. Step 4: Simplify right side
    13,627.87x = 87,165,090.31
  5. Step 5: Solve for x
    x = 87,165,090.31/13,627.87
  6. Step 6: Final answer
    x = 6,396.09

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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.