Home / 13,525.43-18,658.26-9,049.37

Finding the Fourth Proportional to 13,525.43, 18,658.26 and 9,049.37

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Solution

The fourth proportional to 13,525.43, 18,658.26 and 9,049.37 is: 12,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.43 : 18,658.26 = 9,049.37 : x
  2. Step 2: Convert to fraction form
    13,525.43/18,658.26 = 9,049.37/x
  3. Step 3: Cross multiply
    13,525.43x = 18,658.26 × 9,049.37
  4. Step 4: Simplify right side
    13,525.43x = 168,845,405.00
  5. Step 5: Solve for x
    x = 168,845,405.00/13,525.43
  6. Step 6: Final answer
    x = 12,483.56

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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.