Home / 13,600.23-18,768.42-8,884.50

Finding the Fourth Proportional to 13,600.23, 18,768.42 and 8,884.50

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Solution

The fourth proportional to 13,600.23, 18,768.42 and 8,884.50 is: 12,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.23 : 18,768.42 = 8,884.50 : x
  2. Step 2: Convert to fraction form
    13,600.23/18,768.42 = 8,884.50/x
  3. Step 3: Cross multiply
    13,600.23x = 18,768.42 × 8,884.50
  4. Step 4: Simplify right side
    13,600.23x = 166,748,027.49
  5. Step 5: Solve for x
    x = 166,748,027.49/13,600.23
  6. Step 6: Final answer
    x = 12,260.68

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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.