Home / 13,282.30-18,331.58-10,090.36

Finding the Fourth Proportional to 13,282.30, 18,331.58 and 10,090.36

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Solution

The fourth proportional to 13,282.30, 18,331.58 and 10,090.36 is: 13,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.30 : 18,331.58 = 10,090.36 : x
  2. Step 2: Convert to fraction form
    13,282.30/18,331.58 = 10,090.36/x
  3. Step 3: Cross multiply
    13,282.30x = 18,331.58 × 10,090.36
  4. Step 4: Simplify right side
    13,282.30x = 184,972,241.57
  5. Step 5: Solve for x
    x = 184,972,241.57/13,282.30
  6. Step 6: Final answer
    x = 13,926.22

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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.