Home / 16,396.55-22,621.56-9,225.31

Finding the Fourth Proportional to 16,396.55, 22,621.56 and 9,225.31

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Solution

The fourth proportional to 16,396.55, 22,621.56 and 9,225.31 is: 12,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.55 : 22,621.56 = 9,225.31 : x
  2. Step 2: Convert to fraction form
    16,396.55/22,621.56 = 9,225.31/x
  3. Step 3: Cross multiply
    16,396.55x = 22,621.56 × 9,225.31
  4. Step 4: Simplify right side
    16,396.55x = 208,690,903.68
  5. Step 5: Solve for x
    x = 208,690,903.68/16,396.55
  6. Step 6: Final answer
    x = 12,727.73

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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.