Home / 13,859.48-19,146.32-11,993.24

Finding the Fourth Proportional to 13,859.48, 19,146.32 and 11,993.24

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Solution

The fourth proportional to 13,859.48, 19,146.32 and 11,993.24 is: 16,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.48 : 19,146.32 = 11,993.24 : x
  2. Step 2: Convert to fraction form
    13,859.48/19,146.32 = 11,993.24/x
  3. Step 3: Cross multiply
    13,859.48x = 19,146.32 × 11,993.24
  4. Step 4: Simplify right side
    13,859.48x = 229,626,410.88
  5. Step 5: Solve for x
    x = 229,626,410.88/13,859.48
  6. Step 6: Final answer
    x = 16,568.18

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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.