Home / 13,660.56-18,852.40-7,995.44

Finding the Fourth Proportional to 13,660.56, 18,852.40 and 7,995.44

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Solution

The fourth proportional to 13,660.56, 18,852.40 and 7,995.44 is: 11,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.56 : 18,852.40 = 7,995.44 : x
  2. Step 2: Convert to fraction form
    13,660.56/18,852.40 = 7,995.44/x
  3. Step 3: Cross multiply
    13,660.56x = 18,852.40 × 7,995.44
  4. Step 4: Simplify right side
    13,660.56x = 150,733,233.06
  5. Step 5: Solve for x
    x = 150,733,233.06/13,660.56
  6. Step 6: Final answer
    x = 11,034.19

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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.