Home / 14,549.42-20,078.34-8,261.84

Finding the Fourth Proportional to 14,549.42, 20,078.34 and 8,261.84

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Solution

The fourth proportional to 14,549.42, 20,078.34 and 8,261.84 is: 11,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.42 : 20,078.34 = 8,261.84 : x
  2. Step 2: Convert to fraction form
    14,549.42/20,078.34 = 8,261.84/x
  3. Step 3: Cross multiply
    14,549.42x = 20,078.34 × 8,261.84
  4. Step 4: Simplify right side
    14,549.42x = 165,884,032.55
  5. Step 5: Solve for x
    x = 165,884,032.55/14,549.42
  6. Step 6: Final answer
    x = 11,401.42

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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.