Home / 13,427.46-18,530.91-7,460.33

Finding the Fourth Proportional to 13,427.46, 18,530.91 and 7,460.33

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Solution

The fourth proportional to 13,427.46, 18,530.91 and 7,460.33 is: 10,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.46 : 18,530.91 = 7,460.33 : x
  2. Step 2: Convert to fraction form
    13,427.46/18,530.91 = 7,460.33/x
  3. Step 3: Cross multiply
    13,427.46x = 18,530.91 × 7,460.33
  4. Step 4: Simplify right side
    13,427.46x = 138,246,611.15
  5. Step 5: Solve for x
    x = 138,246,611.15/13,427.46
  6. Step 6: Final answer
    x = 10,295.81

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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.