Home / 14,872.44-20,524.16-8,157.63

Finding the Fourth Proportional to 14,872.44, 20,524.16 and 8,157.63

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Solution

The fourth proportional to 14,872.44, 20,524.16 and 8,157.63 is: 11,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.44 : 20,524.16 = 8,157.63 : x
  2. Step 2: Convert to fraction form
    14,872.44/20,524.16 = 8,157.63/x
  3. Step 3: Cross multiply
    14,872.44x = 20,524.16 × 8,157.63
  4. Step 4: Simplify right side
    14,872.44x = 167,428,503.34
  5. Step 5: Solve for x
    x = 167,428,503.34/14,872.44
  6. Step 6: Final answer
    x = 11,257.64

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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.