Home / 27,903.15-41,855.60-10,137.42

Finding the Fourth Proportional to 27,903.15, 41,855.60 and 10,137.42

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Solution

The fourth proportional to 27,903.15, 41,855.60 and 10,137.42 is: 15,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.15 : 41,855.60 = 10,137.42 : x
  2. Step 2: Convert to fraction form
    27,903.15/41,855.60 = 10,137.42/x
  3. Step 3: Cross multiply
    27,903.15x = 41,855.60 × 10,137.42
  4. Step 4: Simplify right side
    27,903.15x = 424,307,796.55
  5. Step 5: Solve for x
    x = 424,307,796.55/27,903.15
  6. Step 6: Final answer
    x = 15,206.45

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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.