Home / 19,812.92-27,332.42-11,853.54

Finding the Fourth Proportional to 19,812.92, 27,332.42 and 11,853.54

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Solution

The fourth proportional to 19,812.92, 27,332.42 and 11,853.54 is: 16,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.92 : 27,332.42 = 11,853.54 : x
  2. Step 2: Convert to fraction form
    19,812.92/27,332.42 = 11,853.54/x
  3. Step 3: Cross multiply
    19,812.92x = 27,332.42 × 11,853.54
  4. Step 4: Simplify right side
    19,812.92x = 323,985,874.50
  5. Step 5: Solve for x
    x = 323,985,874.50/19,812.92
  6. Step 6: Final answer
    x = 16,352.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.