Home / 45,679.19-68,504.20-14,507.15

Finding the Fourth Proportional to 45,679.19, 68,504.20 and 14,507.15

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Solution

The fourth proportional to 45,679.19, 68,504.20 and 14,507.15 is: 21,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.19 : 68,504.20 = 14,507.15 : x
  2. Step 2: Convert to fraction form
    45,679.19/68,504.20 = 14,507.15/x
  3. Step 3: Cross multiply
    45,679.19x = 68,504.20 × 14,507.15
  4. Step 4: Simplify right side
    45,679.19x = 993,800,326.24
  5. Step 5: Solve for x
    x = 993,800,326.24/45,679.19
  6. Step 6: Final answer
    x = 21,756.09

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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.