Home / 13,600.41-18,768.56-7,632.63

Finding the Fourth Proportional to 13,600.41, 18,768.56 and 7,632.63

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Solution

The fourth proportional to 13,600.41, 18,768.56 and 7,632.63 is: 10,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.41 : 18,768.56 = 7,632.63 : x
  2. Step 2: Convert to fraction form
    13,600.41/18,768.56 = 7,632.63/x
  3. Step 3: Cross multiply
    13,600.41x = 18,768.56 × 7,632.63
  4. Step 4: Simplify right side
    13,600.41x = 143,253,478.88
  5. Step 5: Solve for x
    x = 143,253,478.88/13,600.41
  6. Step 6: Final answer
    x = 10,533.03

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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.