Home / 54,840.09-82,253.64-15,400.65

Finding the Fourth Proportional to 54,840.09, 82,253.64 and 15,400.65

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Solution

The fourth proportional to 54,840.09, 82,253.64 and 15,400.65 is: 23,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.09 : 82,253.64 = 15,400.65 : x
  2. Step 2: Convert to fraction form
    54,840.09/82,253.64 = 15,400.65/x
  3. Step 3: Cross multiply
    54,840.09x = 82,253.64 × 15,400.65
  4. Step 4: Simplify right side
    54,840.09x = 1,266,759,520.87
  5. Step 5: Solve for x
    x = 1,266,759,520.87/54,840.09
  6. Step 6: Final answer
    x = 23,099.15

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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.