Home / 19,243.36-28,843.17-18,805.96

Finding the Fourth Proportional to 19,243.36, 28,843.17 and 18,805.96

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Solution

The fourth proportional to 19,243.36, 28,843.17 and 18,805.96 is: 28,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.36 : 28,843.17 = 18,805.96 : x
  2. Step 2: Convert to fraction form
    19,243.36/28,843.17 = 18,805.96/x
  3. Step 3: Cross multiply
    19,243.36x = 28,843.17 × 18,805.96
  4. Step 4: Simplify right side
    19,243.36x = 542,423,501.29
  5. Step 5: Solve for x
    x = 542,423,501.29/19,243.36
  6. Step 6: Final answer
    x = 28,187.57

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1.5x scale

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.