Home / 13,798.37-20,697.57-9,646.43

Finding the Fourth Proportional to 13,798.37, 20,697.57 and 9,646.43

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Solution

The fourth proportional to 13,798.37, 20,697.57 and 9,646.43 is: 14,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.37 : 20,697.57 = 9,646.43 : x
  2. Step 2: Convert to fraction form
    13,798.37/20,697.57 = 9,646.43/x
  3. Step 3: Cross multiply
    13,798.37x = 20,697.57 × 9,646.43
  4. Step 4: Simplify right side
    13,798.37x = 199,657,556.69
  5. Step 5: Solve for x
    x = 199,657,556.69/13,798.37
  6. Step 6: Final answer
    x = 14,469.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.