Home / 19,797.05-27,313.13-11,293.07

Finding the Fourth Proportional to 19,797.05, 27,313.13 and 11,293.07

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Solution

The fourth proportional to 19,797.05, 27,313.13 and 11,293.07 is: 15,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.05 : 27,313.13 = 11,293.07 : x
  2. Step 2: Convert to fraction form
    19,797.05/27,313.13 = 11,293.07/x
  3. Step 3: Cross multiply
    19,797.05x = 27,313.13 × 11,293.07
  4. Step 4: Simplify right side
    19,797.05x = 308,448,980.68
  5. Step 5: Solve for x
    x = 308,448,980.68/19,797.05
  6. Step 6: Final answer
    x = 15,580.55

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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.