Home / 12,926.39-19,391.40-5,027.37

Finding the Fourth Proportional to 12,926.39, 19,391.40 and 5,027.37

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Solution

The fourth proportional to 12,926.39, 19,391.40 and 5,027.37 is: 7,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.39 : 19,391.40 = 5,027.37 : x
  2. Step 2: Convert to fraction form
    12,926.39/19,391.40 = 5,027.37/x
  3. Step 3: Cross multiply
    12,926.39x = 19,391.40 × 5,027.37
  4. Step 4: Simplify right side
    12,926.39x = 97,487,669.90
  5. Step 5: Solve for x
    x = 97,487,669.90/12,926.39
  6. Step 6: Final answer
    x = 7,541.76

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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.