Home / 13,135.01-19,621.26-11,816.73

Finding the Fourth Proportional to 13,135.01, 19,621.26 and 11,816.73

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Solution

The fourth proportional to 13,135.01, 19,621.26 and 11,816.73 is: 17,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.01 : 19,621.26 = 11,816.73 : x
  2. Step 2: Convert to fraction form
    13,135.01/19,621.26 = 11,816.73/x
  3. Step 3: Cross multiply
    13,135.01x = 19,621.26 × 11,816.73
  4. Step 4: Simplify right side
    13,135.01x = 231,859,131.68
  5. Step 5: Solve for x
    x = 231,859,131.68/13,135.01
  6. Step 6: Final answer
    x = 17,652.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.