Home / 20,314.59-27,975.66-16,745.00

Finding the Fourth Proportional to 20,314.59, 27,975.66 and 16,745.00

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Solution

The fourth proportional to 20,314.59, 27,975.66 and 16,745.00 is: 23,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.59 : 27,975.66 = 16,745.00 : x
  2. Step 2: Convert to fraction form
    20,314.59/27,975.66 = 16,745.00/x
  3. Step 3: Cross multiply
    20,314.59x = 27,975.66 × 16,745.00
  4. Step 4: Simplify right side
    20,314.59x = 468,452,396.90
  5. Step 5: Solve for x
    x = 468,452,396.90/20,314.59
  6. Step 6: Final answer
    x = 23,059.90

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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.