Home / 20,038.66-27,653.54-11,086.34

Finding the Fourth Proportional to 20,038.66, 27,653.54 and 11,086.34

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Solution

The fourth proportional to 20,038.66, 27,653.54 and 11,086.34 is: 15,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.66 : 27,653.54 = 11,086.34 : x
  2. Step 2: Convert to fraction form
    20,038.66/27,653.54 = 11,086.34/x
  3. Step 3: Cross multiply
    20,038.66x = 27,653.54 × 11,086.34
  4. Step 4: Simplify right side
    20,038.66x = 306,576,352.94
  5. Step 5: Solve for x
    x = 306,576,352.94/20,038.66
  6. Step 6: Final answer
    x = 15,299.25

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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.