Home / 13,357.56-18,427.62-8,049.36

Finding the Fourth Proportional to 13,357.56, 18,427.62 and 8,049.36

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Solution

The fourth proportional to 13,357.56, 18,427.62 and 8,049.36 is: 11,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.56 : 18,427.62 = 8,049.36 : x
  2. Step 2: Convert to fraction form
    13,357.56/18,427.62 = 8,049.36/x
  3. Step 3: Cross multiply
    13,357.56x = 18,427.62 × 8,049.36
  4. Step 4: Simplify right side
    13,357.56x = 148,330,547.32
  5. Step 5: Solve for x
    x = 148,330,547.32/13,357.56
  6. Step 6: Final answer
    x = 11,104.61

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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.