Home / 19,816.69-27,347.34-11,859.25

Finding the Fourth Proportional to 19,816.69, 27,347.34 and 11,859.25

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Solution

The fourth proportional to 19,816.69, 27,347.34 and 11,859.25 is: 16,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.69 : 27,347.34 = 11,859.25 : x
  2. Step 2: Convert to fraction form
    19,816.69/27,347.34 = 11,859.25/x
  3. Step 3: Cross multiply
    19,816.69x = 27,347.34 × 11,859.25
  4. Step 4: Simplify right side
    19,816.69x = 324,318,941.90
  5. Step 5: Solve for x
    x = 324,318,941.90/19,816.69
  6. Step 6: Final answer
    x = 16,365.95

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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.