Home / 20,059.95-27,683.59-11,107.45

Finding the Fourth Proportional to 20,059.95, 27,683.59 and 11,107.45

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Solution

The fourth proportional to 20,059.95, 27,683.59 and 11,107.45 is: 15,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.95 : 27,683.59 = 11,107.45 : x
  2. Step 2: Convert to fraction form
    20,059.95/27,683.59 = 11,107.45/x
  3. Step 3: Cross multiply
    20,059.95x = 27,683.59 × 11,107.45
  4. Step 4: Simplify right side
    20,059.95x = 307,494,091.75
  5. Step 5: Solve for x
    x = 307,494,091.75/20,059.95
  6. Step 6: Final answer
    x = 15,328.76

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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.