Home / 12,703.14-19,054.28-3,935.70

Finding the Fourth Proportional to 12,703.14, 19,054.28 and 3,935.70

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Solution

The fourth proportional to 12,703.14, 19,054.28 and 3,935.70 is: 5,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.14 : 19,054.28 = 3,935.70 : x
  2. Step 2: Convert to fraction form
    12,703.14/19,054.28 = 3,935.70/x
  3. Step 3: Cross multiply
    12,703.14x = 19,054.28 × 3,935.70
  4. Step 4: Simplify right side
    12,703.14x = 74,991,929.80
  5. Step 5: Solve for x
    x = 74,991,929.80/12,703.14
  6. Step 6: Final answer
    x = 5,903.42

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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.