Home / 19,669.48-27,144.19-10,716.98

Finding the Fourth Proportional to 19,669.48, 27,144.19 and 10,716.98

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Solution

The fourth proportional to 19,669.48, 27,144.19 and 10,716.98 is: 14,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.48 : 27,144.19 = 10,716.98 : x
  2. Step 2: Convert to fraction form
    19,669.48/27,144.19 = 10,716.98/x
  3. Step 3: Cross multiply
    19,669.48x = 27,144.19 × 10,716.98
  4. Step 4: Simplify right side
    19,669.48x = 290,903,552.04
  5. Step 5: Solve for x
    x = 290,903,552.04/19,669.48
  6. Step 6: Final answer
    x = 14,789.59

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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.