Home / 12,701.48-17,633.63-12,321.32

Finding the Fourth Proportional to 12,701.48, 17,633.63 and 12,321.32

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Solution

The fourth proportional to 12,701.48, 17,633.63 and 12,321.32 is: 17,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.48 : 17,633.63 = 12,321.32 : x
  2. Step 2: Convert to fraction form
    12,701.48/17,633.63 = 12,321.32/x
  3. Step 3: Cross multiply
    12,701.48x = 17,633.63 × 12,321.32
  4. Step 4: Simplify right side
    12,701.48x = 217,269,597.99
  5. Step 5: Solve for x
    x = 217,269,597.99/12,701.48
  6. Step 6: Final answer
    x = 17,105.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.