Home / 13,464.63-18,585.40-8,090.99

Finding the Fourth Proportional to 13,464.63, 18,585.40 and 8,090.99

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Solution

The fourth proportional to 13,464.63, 18,585.40 and 8,090.99 is: 11,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.63 : 18,585.40 = 8,090.99 : x
  2. Step 2: Convert to fraction form
    13,464.63/18,585.40 = 8,090.99/x
  3. Step 3: Cross multiply
    13,464.63x = 18,585.40 × 8,090.99
  4. Step 4: Simplify right side
    13,464.63x = 150,374,257.26
  5. Step 5: Solve for x
    x = 150,374,257.26/13,464.63
  6. Step 6: Final answer
    x = 11,168.09

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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.