Home / 13,610.44-18,783.34-7,561.41

Finding the Fourth Proportional to 13,610.44, 18,783.34 and 7,561.41

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Solution

The fourth proportional to 13,610.44, 18,783.34 and 7,561.41 is: 10,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.44 : 18,783.34 = 7,561.41 : x
  2. Step 2: Convert to fraction form
    13,610.44/18,783.34 = 7,561.41/x
  3. Step 3: Cross multiply
    13,610.44x = 18,783.34 × 7,561.41
  4. Step 4: Simplify right side
    13,610.44x = 142,028,403.19
  5. Step 5: Solve for x
    x = 142,028,403.19/13,610.44
  6. Step 6: Final answer
    x = 10,435.26

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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.