Home / 43,404.69-65,112.24-15,318.94

Finding the Fourth Proportional to 43,404.69, 65,112.24 and 15,318.94

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Solution

The fourth proportional to 43,404.69, 65,112.24 and 15,318.94 is: 22,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.69 : 65,112.24 = 15,318.94 : x
  2. Step 2: Convert to fraction form
    43,404.69/65,112.24 = 15,318.94/x
  3. Step 3: Cross multiply
    43,404.69x = 65,112.24 × 15,318.94
  4. Step 4: Simplify right side
    43,404.69x = 997,450,497.83
  5. Step 5: Solve for x
    x = 997,450,497.83/43,404.69
  6. Step 6: Final answer
    x = 22,980.25

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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.