Home / 13,950.32-20,925.57-5,185.23

Finding the Fourth Proportional to 13,950.32, 20,925.57 and 5,185.23

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Solution

The fourth proportional to 13,950.32, 20,925.57 and 5,185.23 is: 7,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.32 : 20,925.57 = 5,185.23 : x
  2. Step 2: Convert to fraction form
    13,950.32/20,925.57 = 5,185.23/x
  3. Step 3: Cross multiply
    13,950.32x = 20,925.57 × 5,185.23
  4. Step 4: Simplify right side
    13,950.32x = 108,503,893.33
  5. Step 5: Solve for x
    x = 108,503,893.33/13,950.32
  6. Step 6: Final answer
    x = 7,777.88

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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.