Home / 19,628.56-27,084.51-11,557.42

Finding the Fourth Proportional to 19,628.56, 27,084.51 and 11,557.42

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Solution

The fourth proportional to 19,628.56, 27,084.51 and 11,557.42 is: 15,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.56 : 27,084.51 = 11,557.42 : x
  2. Step 2: Convert to fraction form
    19,628.56/27,084.51 = 11,557.42/x
  3. Step 3: Cross multiply
    19,628.56x = 27,084.51 × 11,557.42
  4. Step 4: Simplify right side
    19,628.56x = 313,027,057.56
  5. Step 5: Solve for x
    x = 313,027,057.56/19,628.56
  6. Step 6: Final answer
    x = 15,947.53

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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.