Home / 23,778.43-32,815.21-13,168.05

Finding the Fourth Proportional to 23,778.43, 32,815.21 and 13,168.05

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Solution

The fourth proportional to 23,778.43, 32,815.21 and 13,168.05 is: 18,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.43 : 32,815.21 = 13,168.05 : x
  2. Step 2: Convert to fraction form
    23,778.43/32,815.21 = 13,168.05/x
  3. Step 3: Cross multiply
    23,778.43x = 32,815.21 × 13,168.05
  4. Step 4: Simplify right side
    23,778.43x = 432,112,379.34
  5. Step 5: Solve for x
    x = 432,112,379.34/23,778.43
  6. Step 6: Final answer
    x = 18,172.45

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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.