Home / 18,105.44-24,986.36-11,303.48

Finding the Fourth Proportional to 18,105.44, 24,986.36 and 11,303.48

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Solution

The fourth proportional to 18,105.44, 24,986.36 and 11,303.48 is: 15,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.44 : 24,986.36 = 11,303.48 : x
  2. Step 2: Convert to fraction form
    18,105.44/24,986.36 = 11,303.48/x
  3. Step 3: Cross multiply
    18,105.44x = 24,986.36 × 11,303.48
  4. Step 4: Simplify right side
    18,105.44x = 282,432,820.53
  5. Step 5: Solve for x
    x = 282,432,820.53/18,105.44
  6. Step 6: Final answer
    x = 15,599.33

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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.