Home / 19,741.88-27,240.36-11,783.63

Finding the Fourth Proportional to 19,741.88, 27,240.36 and 11,783.63

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Solution

The fourth proportional to 19,741.88, 27,240.36 and 11,783.63 is: 16,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.88 : 27,240.36 = 11,783.63 : x
  2. Step 2: Convert to fraction form
    19,741.88/27,240.36 = 11,783.63/x
  3. Step 3: Cross multiply
    19,741.88x = 27,240.36 × 11,783.63
  4. Step 4: Simplify right side
    19,741.88x = 320,990,323.31
  5. Step 5: Solve for x
    x = 320,990,323.31/19,741.88
  6. Step 6: Final answer
    x = 16,259.36

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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.