Home / 45,556.64-68,334.92-14,391.90

Finding the Fourth Proportional to 45,556.64, 68,334.92 and 14,391.90

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Solution

The fourth proportional to 45,556.64, 68,334.92 and 14,391.90 is: 21,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,556.64 : 68,334.92 = 14,391.90 : x
  2. Step 2: Convert to fraction form
    45,556.64/68,334.92 = 14,391.90/x
  3. Step 3: Cross multiply
    45,556.64x = 68,334.92 × 14,391.90
  4. Step 4: Simplify right side
    45,556.64x = 983,469,335.15
  5. Step 5: Solve for x
    x = 983,469,335.15/45,556.64
  6. Step 6: Final answer
    x = 21,587.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.