Home / 18,962.92-26,157.36-12,237.76

Finding the Fourth Proportional to 18,962.92, 26,157.36 and 12,237.76

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Solution

The fourth proportional to 18,962.92, 26,157.36 and 12,237.76 is: 16,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.92 : 26,157.36 = 12,237.76 : x
  2. Step 2: Convert to fraction form
    18,962.92/26,157.36 = 12,237.76/x
  3. Step 3: Cross multiply
    18,962.92x = 26,157.36 × 12,237.76
  4. Step 4: Simplify right side
    18,962.92x = 320,107,493.91
  5. Step 5: Solve for x
    x = 320,107,493.91/18,962.92
  6. Step 6: Final answer
    x = 16,880.71

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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.