Home / 37,285.93-55,930.65-10,990.90

Finding the Fourth Proportional to 37,285.93, 55,930.65 and 10,990.90

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Solution

The fourth proportional to 37,285.93, 55,930.65 and 10,990.90 is: 16,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.93 : 55,930.65 = 10,990.90 : x
  2. Step 2: Convert to fraction form
    37,285.93/55,930.65 = 10,990.90/x
  3. Step 3: Cross multiply
    37,285.93x = 55,930.65 × 10,990.90
  4. Step 4: Simplify right side
    37,285.93x = 614,728,181.09
  5. Step 5: Solve for x
    x = 614,728,181.09/37,285.93
  6. Step 6: Final answer
    x = 16,486.87

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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.