Home / 21,766.98-30,050.76-16,652.87

Finding the Fourth Proportional to 21,766.98, 30,050.76 and 16,652.87

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Solution

The fourth proportional to 21,766.98, 30,050.76 and 16,652.87 is: 22,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.98 : 30,050.76 = 16,652.87 : x
  2. Step 2: Convert to fraction form
    21,766.98/30,050.76 = 16,652.87/x
  3. Step 3: Cross multiply
    21,766.98x = 30,050.76 × 16,652.87
  4. Step 4: Simplify right side
    21,766.98x = 500,431,399.68
  5. Step 5: Solve for x
    x = 500,431,399.68/21,766.98
  6. Step 6: Final answer
    x = 22,990.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.