Home / 13,840.25-19,100.37-10,477.73

Finding the Fourth Proportional to 13,840.25, 19,100.37 and 10,477.73

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Solution

The fourth proportional to 13,840.25, 19,100.37 and 10,477.73 is: 14,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.25 : 19,100.37 = 10,477.73 : x
  2. Step 2: Convert to fraction form
    13,840.25/19,100.37 = 10,477.73/x
  3. Step 3: Cross multiply
    13,840.25x = 19,100.37 × 10,477.73
  4. Step 4: Simplify right side
    13,840.25x = 200,128,467.37
  5. Step 5: Solve for x
    x = 200,128,467.37/13,840.25
  6. Step 6: Final answer
    x = 14,459.89

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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.