Home / 16,247.63-22,421.73-8,795.63

Finding the Fourth Proportional to 16,247.63, 22,421.73 and 8,795.63

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Solution

The fourth proportional to 16,247.63, 22,421.73 and 8,795.63 is: 12,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.63 : 22,421.73 = 8,795.63 : x
  2. Step 2: Convert to fraction form
    16,247.63/22,421.73 = 8,795.63/x
  3. Step 3: Cross multiply
    16,247.63x = 22,421.73 × 8,795.63
  4. Step 4: Simplify right side
    16,247.63x = 197,213,128.93
  5. Step 5: Solve for x
    x = 197,213,128.93/16,247.63
  6. Step 6: Final answer
    x = 12,137.97

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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.