Home / 27,913.93-41,875.55-12,936.05

Finding the Fourth Proportional to 27,913.93, 41,875.55 and 12,936.05

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Solution

The fourth proportional to 27,913.93, 41,875.55 and 12,936.05 is: 19,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.93 : 41,875.55 = 12,936.05 : x
  2. Step 2: Convert to fraction form
    27,913.93/41,875.55 = 12,936.05/x
  3. Step 3: Cross multiply
    27,913.93x = 41,875.55 × 12,936.05
  4. Step 4: Simplify right side
    27,913.93x = 541,704,140.06
  5. Step 5: Solve for x
    x = 541,704,140.06/27,913.93
  6. Step 6: Final answer
    x = 19,406.23

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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.