Home / 16,216.56-22,367.40-15,674.64

Finding the Fourth Proportional to 16,216.56, 22,367.40 and 15,674.64

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Solution

The fourth proportional to 16,216.56, 22,367.40 and 15,674.64 is: 21,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.56 : 22,367.40 = 15,674.64 : x
  2. Step 2: Convert to fraction form
    16,216.56/22,367.40 = 15,674.64/x
  3. Step 3: Cross multiply
    16,216.56x = 22,367.40 × 15,674.64
  4. Step 4: Simplify right side
    16,216.56x = 350,600,942.74
  5. Step 5: Solve for x
    x = 350,600,942.74/16,216.56
  6. Step 6: Final answer
    x = 21,619.93

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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.