Home / 45,580.14-68,369.81-14,415.39

Finding the Fourth Proportional to 45,580.14, 68,369.81 and 14,415.39

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Solution

The fourth proportional to 45,580.14, 68,369.81 and 14,415.39 is: 21,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,580.14 : 68,369.81 = 14,415.39 : x
  2. Step 2: Convert to fraction form
    45,580.14/68,369.81 = 14,415.39/x
  3. Step 3: Cross multiply
    45,580.14x = 68,369.81 × 14,415.39
  4. Step 4: Simplify right side
    45,580.14x = 985,577,403.30
  5. Step 5: Solve for x
    x = 985,577,403.30/45,580.14
  6. Step 6: Final answer
    x = 21,622.96

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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.