Home / 13,194.17-18,208.16-7,225.73

Finding the Fourth Proportional to 13,194.17, 18,208.16 and 7,225.73

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Solution

The fourth proportional to 13,194.17, 18,208.16 and 7,225.73 is: 9,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.17 : 18,208.16 = 7,225.73 : x
  2. Step 2: Convert to fraction form
    13,194.17/18,208.16 = 7,225.73/x
  3. Step 3: Cross multiply
    13,194.17x = 18,208.16 × 7,225.73
  4. Step 4: Simplify right side
    13,194.17x = 131,567,216.16
  5. Step 5: Solve for x
    x = 131,567,216.16/13,194.17
  6. Step 6: Final answer
    x = 9,971.62

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Double scale
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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.