Home / 43,338.84-65,004.48-11,747.76

Finding the Fourth Proportional to 43,338.84, 65,004.48 and 11,747.76

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Solution

The fourth proportional to 43,338.84, 65,004.48 and 11,747.76 is: 17,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338.84 : 65,004.48 = 11,747.76 : x
  2. Step 2: Convert to fraction form
    43,338.84/65,004.48 = 11,747.76/x
  3. Step 3: Cross multiply
    43,338.84x = 65,004.48 × 11,747.76
  4. Step 4: Simplify right side
    43,338.84x = 763,657,029.96
  5. Step 5: Solve for x
    x = 763,657,029.96/43,338.84
  6. Step 6: Final answer
    x = 17,620.62

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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.