Home / 19,816.88-27,346.26-11,317.33

Finding the Fourth Proportional to 19,816.88, 27,346.26 and 11,317.33

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Solution

The fourth proportional to 19,816.88, 27,346.26 and 11,317.33 is: 15,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.88 : 27,346.26 = 11,317.33 : x
  2. Step 2: Convert to fraction form
    19,816.88/27,346.26 = 11,317.33/x
  3. Step 3: Cross multiply
    19,816.88x = 27,346.26 × 11,317.33
  4. Step 4: Simplify right side
    19,816.88x = 309,486,509.15
  5. Step 5: Solve for x
    x = 309,486,509.15/19,816.88
  6. Step 6: Final answer
    x = 15,617.32

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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.