Home / 12,700.44-19,052.28-3,935.88

Finding the Fourth Proportional to 12,700.44, 19,052.28 and 3,935.88

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Solution

The fourth proportional to 12,700.44, 19,052.28 and 3,935.88 is: 5,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.44 : 19,052.28 = 3,935.88 : x
  2. Step 2: Convert to fraction form
    12,700.44/19,052.28 = 3,935.88/x
  3. Step 3: Cross multiply
    12,700.44x = 19,052.28 × 3,935.88
  4. Step 4: Simplify right side
    12,700.44x = 74,987,487.81
  5. Step 5: Solve for x
    x = 74,987,487.81/12,700.44
  6. Step 6: Final answer
    x = 5,904.32

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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.