Home / 13,619.41-18,793.77-7,652.07

Finding the Fourth Proportional to 13,619.41, 18,793.77 and 7,652.07

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Solution

The fourth proportional to 13,619.41, 18,793.77 and 7,652.07 is: 10,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.41 : 18,793.77 = 7,652.07 : x
  2. Step 2: Convert to fraction form
    13,619.41/18,793.77 = 7,652.07/x
  3. Step 3: Cross multiply
    13,619.41x = 18,793.77 × 7,652.07
  4. Step 4: Simplify right side
    13,619.41x = 143,811,257.95
  5. Step 5: Solve for x
    x = 143,811,257.95/13,619.41
  6. Step 6: Final answer
    x = 10,559.29

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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.