Home / 14,549.46-20,078.07-8,261.43

Finding the Fourth Proportional to 14,549.46, 20,078.07 and 8,261.43

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Solution

The fourth proportional to 14,549.46, 20,078.07 and 8,261.43 is: 11,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.46 : 20,078.07 = 8,261.43 : x
  2. Step 2: Convert to fraction form
    14,549.46/20,078.07 = 8,261.43/x
  3. Step 3: Cross multiply
    14,549.46x = 20,078.07 × 8,261.43
  4. Step 4: Simplify right side
    14,549.46x = 165,873,569.84
  5. Step 5: Solve for x
    x = 165,873,569.84/14,549.46
  6. Step 6: Final answer
    x = 11,400.67

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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.