Home / 19,277.34-28,896.32-10,939.75

Finding the Fourth Proportional to 19,277.34, 28,896.32 and 10,939.75

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Solution

The fourth proportional to 19,277.34, 28,896.32 and 10,939.75 is: 16,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.34 : 28,896.32 = 10,939.75 : x
  2. Step 2: Convert to fraction form
    19,277.34/28,896.32 = 10,939.75/x
  3. Step 3: Cross multiply
    19,277.34x = 28,896.32 × 10,939.75
  4. Step 4: Simplify right side
    19,277.34x = 316,118,389.78
  5. Step 5: Solve for x
    x = 316,118,389.78/19,277.34
  6. Step 6: Final answer
    x = 16,398.44

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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.