Home / 54,847.15-82,253.70-19,782.25

Finding the Fourth Proportional to 54,847.15, 82,253.70 and 19,782.25

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Solution

The fourth proportional to 54,847.15, 82,253.70 and 19,782.25 is: 29,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847.15 : 82,253.70 = 19,782.25 : x
  2. Step 2: Convert to fraction form
    54,847.15/82,253.70 = 19,782.25/x
  3. Step 3: Cross multiply
    54,847.15x = 82,253.70 × 19,782.25
  4. Step 4: Simplify right side
    54,847.15x = 1,627,163,256.83
  5. Step 5: Solve for x
    x = 1,627,163,256.83/54,847.15
  6. Step 6: Final answer
    x = 29,667.23

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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.