Home / 14,662.42-20,231.57-8,695.55

Finding the Fourth Proportional to 14,662.42, 20,231.57 and 8,695.55

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Solution

The fourth proportional to 14,662.42, 20,231.57 and 8,695.55 is: 11,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.42 : 20,231.57 = 8,695.55 : x
  2. Step 2: Convert to fraction form
    14,662.42/20,231.57 = 8,695.55/x
  3. Step 3: Cross multiply
    14,662.42x = 20,231.57 × 8,695.55
  4. Step 4: Simplify right side
    14,662.42x = 175,924,700.83
  5. Step 5: Solve for x
    x = 175,924,700.83/14,662.42
  6. Step 6: Final answer
    x = 11,998.34

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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.