Home / 13,939.75-19,236.99-7,652.26

Finding the Fourth Proportional to 13,939.75, 19,236.99 and 7,652.26

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Solution

The fourth proportional to 13,939.75, 19,236.99 and 7,652.26 is: 10,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.75 : 19,236.99 = 7,652.26 : x
  2. Step 2: Convert to fraction form
    13,939.75/19,236.99 = 7,652.26/x
  3. Step 3: Cross multiply
    13,939.75x = 19,236.99 × 7,652.26
  4. Step 4: Simplify right side
    13,939.75x = 147,206,449.10
  5. Step 5: Solve for x
    x = 147,206,449.10/13,939.75
  6. Step 6: Final answer
    x = 10,560.19

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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.