Home / 16,621.96-22,912.85-11,827.57

Finding the Fourth Proportional to 16,621.96, 22,912.85 and 11,827.57

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Solution

The fourth proportional to 16,621.96, 22,912.85 and 11,827.57 is: 16,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.96 : 22,912.85 = 11,827.57 : x
  2. Step 2: Convert to fraction form
    16,621.96/22,912.85 = 11,827.57/x
  3. Step 3: Cross multiply
    16,621.96x = 22,912.85 × 11,827.57
  4. Step 4: Simplify right side
    16,621.96x = 271,003,319.26
  5. Step 5: Solve for x
    x = 271,003,319.26/16,621.96
  6. Step 6: Final answer
    x = 16,303.93

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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.