Home / 37,130.11-55,683.43-12,164.42

Finding the Fourth Proportional to 37,130.11, 55,683.43 and 12,164.42

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Solution

The fourth proportional to 37,130.11, 55,683.43 and 12,164.42 is: 18,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.11 : 55,683.43 = 12,164.42 : x
  2. Step 2: Convert to fraction form
    37,130.11/55,683.43 = 12,164.42/x
  3. Step 3: Cross multiply
    37,130.11x = 55,683.43 × 12,164.42
  4. Step 4: Simplify right side
    37,130.11x = 677,356,629.56
  5. Step 5: Solve for x
    x = 677,356,629.56/37,130.11
  6. Step 6: Final answer
    x = 18,242.79

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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.