Home / 14,549.52-20,078.34-8,261.88

Finding the Fourth Proportional to 14,549.52, 20,078.34 and 8,261.88

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Solution

The fourth proportional to 14,549.52, 20,078.34 and 8,261.88 is: 11,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.52 : 20,078.34 = 8,261.88 : x
  2. Step 2: Convert to fraction form
    14,549.52/20,078.34 = 8,261.88/x
  3. Step 3: Cross multiply
    14,549.52x = 20,078.34 × 8,261.88
  4. Step 4: Simplify right side
    14,549.52x = 165,884,835.68
  5. Step 5: Solve for x
    x = 165,884,835.68/14,549.52
  6. Step 6: Final answer
    x = 11,401.40

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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.