Home / 13,625.56-18,796.21-9,150.58

Finding the Fourth Proportional to 13,625.56, 18,796.21 and 9,150.58

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Solution

The fourth proportional to 13,625.56, 18,796.21 and 9,150.58 is: 12,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.56 : 18,796.21 = 9,150.58 : x
  2. Step 2: Convert to fraction form
    13,625.56/18,796.21 = 9,150.58/x
  3. Step 3: Cross multiply
    13,625.56x = 18,796.21 × 9,150.58
  4. Step 4: Simplify right side
    13,625.56x = 171,996,223.30
  5. Step 5: Solve for x
    x = 171,996,223.30/13,625.56
  6. Step 6: Final answer
    x = 12,623.06

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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.