Home / 13,402.83-18,493.23-8,097.66

Finding the Fourth Proportional to 13,402.83, 18,493.23 and 8,097.66

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Solution

The fourth proportional to 13,402.83, 18,493.23 and 8,097.66 is: 11,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.83 : 18,493.23 = 8,097.66 : x
  2. Step 2: Convert to fraction form
    13,402.83/18,493.23 = 8,097.66/x
  3. Step 3: Cross multiply
    13,402.83x = 18,493.23 × 8,097.66
  4. Step 4: Simplify right side
    13,402.83x = 149,751,888.84
  5. Step 5: Solve for x
    x = 149,751,888.84/13,402.83
  6. Step 6: Final answer
    x = 11,173.15

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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.