Home / 16,745.25-23,107.14-9,191.56

Finding the Fourth Proportional to 16,745.25, 23,107.14 and 9,191.56

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Solution

The fourth proportional to 16,745.25, 23,107.14 and 9,191.56 is: 12,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.25 : 23,107.14 = 9,191.56 : x
  2. Step 2: Convert to fraction form
    16,745.25/23,107.14 = 9,191.56/x
  3. Step 3: Cross multiply
    16,745.25x = 23,107.14 × 9,191.56
  4. Step 4: Simplify right side
    16,745.25x = 212,390,663.74
  5. Step 5: Solve for x
    x = 212,390,663.74/16,745.25
  6. Step 6: Final answer
    x = 12,683.64

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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.