Home / 39,021.05-58,525.64-12,725.75

Finding the Fourth Proportional to 39,021.05, 58,525.64 and 12,725.75

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Solution

The fourth proportional to 39,021.05, 58,525.64 and 12,725.75 is: 19,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.05 : 58,525.64 = 12,725.75 : x
  2. Step 2: Convert to fraction form
    39,021.05/58,525.64 = 12,725.75/x
  3. Step 3: Cross multiply
    39,021.05x = 58,525.64 × 12,725.75
  4. Step 4: Simplify right side
    39,021.05x = 744,782,599.60
  5. Step 5: Solve for x
    x = 744,782,599.60/39,021.05
  6. Step 6: Final answer
    x = 19,086.69

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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.