Home / 14,531.08-20,052.30-8,243.32

Finding the Fourth Proportional to 14,531.08, 20,052.30 and 8,243.32

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Solution

The fourth proportional to 14,531.08, 20,052.30 and 8,243.32 is: 11,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.08 : 20,052.30 = 8,243.32 : x
  2. Step 2: Convert to fraction form
    14,531.08/20,052.30 = 8,243.32/x
  3. Step 3: Cross multiply
    14,531.08x = 20,052.30 × 8,243.32
  4. Step 4: Simplify right side
    14,531.08x = 165,297,525.64
  5. Step 5: Solve for x
    x = 165,297,525.64/14,531.08
  6. Step 6: Final answer
    x = 11,375.45

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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.