Home / 13,231.88-18,260.14-7,263.42

Finding the Fourth Proportional to 13,231.88, 18,260.14 and 7,263.42

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Solution

The fourth proportional to 13,231.88, 18,260.14 and 7,263.42 is: 10,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.88 : 18,260.14 = 7,263.42 : x
  2. Step 2: Convert to fraction form
    13,231.88/18,260.14 = 7,263.42/x
  3. Step 3: Cross multiply
    13,231.88x = 18,260.14 × 7,263.42
  4. Step 4: Simplify right side
    13,231.88x = 132,630,974.78
  5. Step 5: Solve for x
    x = 132,630,974.78/13,231.88
  6. Step 6: Final answer
    x = 10,023.60

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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.