Home / 13,848.72-20,771.64-4,615.44

Finding the Fourth Proportional to 13,848.72, 20,771.64 and 4,615.44

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Solution

The fourth proportional to 13,848.72, 20,771.64 and 4,615.44 is: 6,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.72 : 20,771.64 = 4,615.44 : x
  2. Step 2: Convert to fraction form
    13,848.72/20,771.64 = 4,615.44/x
  3. Step 3: Cross multiply
    13,848.72x = 20,771.64 × 4,615.44
  4. Step 4: Simplify right side
    13,848.72x = 95,870,258.12
  5. Step 5: Solve for x
    x = 95,870,258.12/13,848.72
  6. Step 6: Final answer
    x = 6,922.68

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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.