Home / 12,351.68-17,047.48-11,941.60

Finding the Fourth Proportional to 12,351.68, 17,047.48 and 11,941.60

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Solution

The fourth proportional to 12,351.68, 17,047.48 and 11,941.60 is: 16,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.68 : 17,047.48 = 11,941.60 : x
  2. Step 2: Convert to fraction form
    12,351.68/17,047.48 = 11,941.60/x
  3. Step 3: Cross multiply
    12,351.68x = 17,047.48 × 11,941.60
  4. Step 4: Simplify right side
    12,351.68x = 203,574,187.17
  5. Step 5: Solve for x
    x = 203,574,187.17/12,351.68
  6. Step 6: Final answer
    x = 16,481.50

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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.