Home / 13,926.52-20,897.34-9,235

Finding the Fourth Proportional to 13,926.52, 20,897.34 and 9,235

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Solution

The fourth proportional to 13,926.52, 20,897.34 and 9,235 is: 13,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.52 : 20,897.34 = 9,235 : x
  2. Step 2: Convert to fraction form
    13,926.52/20,897.34 = 9,235/x
  3. Step 3: Cross multiply
    13,926.52x = 20,897.34 × 9,235
  4. Step 4: Simplify right side
    13,926.52x = 192,986,934.90
  5. Step 5: Solve for x
    x = 192,986,934.90/13,926.52
  6. Step 6: Final answer
    x = 13,857.51

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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.