Home / 14,603.88-20,147.94-10,131.60

Finding the Fourth Proportional to 14,603.88, 20,147.94 and 10,131.60

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Solution

The fourth proportional to 14,603.88, 20,147.94 and 10,131.60 is: 13,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.88 : 20,147.94 = 10,131.60 : x
  2. Step 2: Convert to fraction form
    14,603.88/20,147.94 = 10,131.60/x
  3. Step 3: Cross multiply
    14,603.88x = 20,147.94 × 10,131.60
  4. Step 4: Simplify right side
    14,603.88x = 204,130,868.90
  5. Step 5: Solve for x
    x = 204,130,868.90/14,603.88
  6. Step 6: Final answer
    x = 13,977.85

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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.