Home / 23,855.66-32,918-13,242.68

Finding the Fourth Proportional to 23,855.66, 32,918 and 13,242.68

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Solution

The fourth proportional to 23,855.66, 32,918 and 13,242.68 is: 18,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.66 : 32,918 = 13,242.68 : x
  2. Step 2: Convert to fraction form
    23,855.66/32,918 = 13,242.68/x
  3. Step 3: Cross multiply
    23,855.66x = 32,918 × 13,242.68
  4. Step 4: Simplify right side
    23,855.66x = 435,922,540.24
  5. Step 5: Solve for x
    x = 435,922,540.24/23,855.66
  6. Step 6: Final answer
    x = 18,273.34

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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.