Home / 37,129.11-55,681.93-12,163.42

Finding the Fourth Proportional to 37,129.11, 55,681.93 and 12,163.42

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Solution

The fourth proportional to 37,129.11, 55,681.93 and 12,163.42 is: 18,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.11 : 55,681.93 = 12,163.42 : x
  2. Step 2: Convert to fraction form
    37,129.11/55,681.93 = 12,163.42/x
  3. Step 3: Cross multiply
    37,129.11x = 55,681.93 × 12,163.42
  4. Step 4: Simplify right side
    37,129.11x = 677,282,701.00
  5. Step 5: Solve for x
    x = 677,282,701.00/37,129.11
  6. Step 6: Final answer
    x = 18,241.29

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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.