Home / 13,365.41-18,442.94-7,396.92

Finding the Fourth Proportional to 13,365.41, 18,442.94 and 7,396.92

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Solution

The fourth proportional to 13,365.41, 18,442.94 and 7,396.92 is: 10,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.41 : 18,442.94 = 7,396.92 : x
  2. Step 2: Convert to fraction form
    13,365.41/18,442.94 = 7,396.92/x
  3. Step 3: Cross multiply
    13,365.41x = 18,442.94 × 7,396.92
  4. Step 4: Simplify right side
    13,365.41x = 136,420,914.76
  5. Step 5: Solve for x
    x = 136,420,914.76/13,365.41
  6. Step 6: Final answer
    x = 10,207.02

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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.