Home / 13,760.10-20,648.34-9,546.66

Finding the Fourth Proportional to 13,760.10, 20,648.34 and 9,546.66

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Solution

The fourth proportional to 13,760.10, 20,648.34 and 9,546.66 is: 14,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.10 : 20,648.34 = 9,546.66 : x
  2. Step 2: Convert to fraction form
    13,760.10/20,648.34 = 9,546.66/x
  3. Step 3: Cross multiply
    13,760.10x = 20,648.34 × 9,546.66
  4. Step 4: Simplify right side
    13,760.10x = 197,122,681.54
  5. Step 5: Solve for x
    x = 197,122,681.54/13,760.10
  6. Step 6: Final answer
    x = 14,325.67

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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.