Home / 23,778.32-32,814.24-13,168.64

Finding the Fourth Proportional to 23,778.32, 32,814.24 and 13,168.64

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Solution

The fourth proportional to 23,778.32, 32,814.24 and 13,168.64 is: 18,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.32 : 32,814.24 = 13,168.64 : x
  2. Step 2: Convert to fraction form
    23,778.32/32,814.24 = 13,168.64/x
  3. Step 3: Cross multiply
    23,778.32x = 32,814.24 × 13,168.64
  4. Step 4: Simplify right side
    23,778.32x = 432,118,913.43
  5. Step 5: Solve for x
    x = 432,118,913.43/23,778.32
  6. Step 6: Final answer
    x = 18,172.81

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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.