Home / 20,040.04-27,653.56-11,087.56

Finding the Fourth Proportional to 20,040.04, 27,653.56 and 11,087.56

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Solution

The fourth proportional to 20,040.04, 27,653.56 and 11,087.56 is: 15,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.04 : 27,653.56 = 11,087.56 : x
  2. Step 2: Convert to fraction form
    20,040.04/27,653.56 = 11,087.56/x
  3. Step 3: Cross multiply
    20,040.04x = 27,653.56 × 11,087.56
  4. Step 4: Simplify right side
    20,040.04x = 306,610,505.71
  5. Step 5: Solve for x
    x = 306,610,505.71/20,040.04
  6. Step 6: Final answer
    x = 15,299.89

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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.