Home / 19,645.94-27,111.66-10,693.64

Finding the Fourth Proportional to 19,645.94, 27,111.66 and 10,693.64

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Solution

The fourth proportional to 19,645.94, 27,111.66 and 10,693.64 is: 14,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.94 : 27,111.66 = 10,693.64 : x
  2. Step 2: Convert to fraction form
    19,645.94/27,111.66 = 10,693.64/x
  3. Step 3: Cross multiply
    19,645.94x = 27,111.66 × 10,693.64
  4. Step 4: Simplify right side
    19,645.94x = 289,922,331.84
  5. Step 5: Solve for x
    x = 289,922,331.84/19,645.94
  6. Step 6: Final answer
    x = 14,757.37

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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.