Home / 43,069.84-64,604.64-11,905.04

Finding the Fourth Proportional to 43,069.84, 64,604.64 and 11,905.04

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Solution

The fourth proportional to 43,069.84, 64,604.64 and 11,905.04 is: 17,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,069.84 : 64,604.64 = 11,905.04 : x
  2. Step 2: Convert to fraction form
    43,069.84/64,604.64 = 11,905.04/x
  3. Step 3: Cross multiply
    43,069.84x = 64,604.64 × 11,905.04
  4. Step 4: Simplify right side
    43,069.84x = 769,120,823.39
  5. Step 5: Solve for x
    x = 769,120,823.39/43,069.84
  6. Step 6: Final answer
    x = 17,857.53

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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.