Home / 13,695.12-18,899.60-8,033.49

Finding the Fourth Proportional to 13,695.12, 18,899.60 and 8,033.49

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Solution

The fourth proportional to 13,695.12, 18,899.60 and 8,033.49 is: 11,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.12 : 18,899.60 = 8,033.49 : x
  2. Step 2: Convert to fraction form
    13,695.12/18,899.60 = 8,033.49/x
  3. Step 3: Cross multiply
    13,695.12x = 18,899.60 × 8,033.49
  4. Step 4: Simplify right side
    13,695.12x = 151,829,707.44
  5. Step 5: Solve for x
    x = 151,829,707.44/13,695.12
  6. Step 6: Final answer
    x = 11,086.41

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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.