Home / 14,627.24-20,185.64-7,912.93

Finding the Fourth Proportional to 14,627.24, 20,185.64 and 7,912.93

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Solution

The fourth proportional to 14,627.24, 20,185.64 and 7,912.93 is: 10,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.24 : 20,185.64 = 7,912.93 : x
  2. Step 2: Convert to fraction form
    14,627.24/20,185.64 = 7,912.93/x
  3. Step 3: Cross multiply
    14,627.24x = 20,185.64 × 7,912.93
  4. Step 4: Simplify right side
    14,627.24x = 159,727,525.64
  5. Step 5: Solve for x
    x = 159,727,525.64/14,627.24
  6. Step 6: Final answer
    x = 10,919.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.