Home / 19,625.40-27,079.38-11,669.58

Finding the Fourth Proportional to 19,625.40, 27,079.38 and 11,669.58

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Solution

The fourth proportional to 19,625.40, 27,079.38 and 11,669.58 is: 16,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.40 : 27,079.38 = 11,669.58 : x
  2. Step 2: Convert to fraction form
    19,625.40/27,079.38 = 11,669.58/x
  3. Step 3: Cross multiply
    19,625.40x = 27,079.38 × 11,669.58
  4. Step 4: Simplify right side
    19,625.40x = 316,004,991.26
  5. Step 5: Solve for x
    x = 316,004,991.26/19,625.40
  6. Step 6: Final answer
    x = 16,101.84

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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.