Home / 13,650.06-20,466.18-5,330.88

Finding the Fourth Proportional to 13,650.06, 20,466.18 and 5,330.88

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Solution

The fourth proportional to 13,650.06, 20,466.18 and 5,330.88 is: 7,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.06 : 20,466.18 = 5,330.88 : x
  2. Step 2: Convert to fraction form
    13,650.06/20,466.18 = 5,330.88/x
  3. Step 3: Cross multiply
    13,650.06x = 20,466.18 × 5,330.88
  4. Step 4: Simplify right side
    13,650.06x = 109,102,749.64
  5. Step 5: Solve for x
    x = 109,102,749.64/13,650.06
  6. Step 6: Final answer
    x = 7,992.84

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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.