Home / 14,475.20-21,749.09-9,212.46

Finding the Fourth Proportional to 14,475.20, 21,749.09 and 9,212.46

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Solution

The fourth proportional to 14,475.20, 21,749.09 and 9,212.46 is: 13,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.20 : 21,749.09 = 9,212.46 : x
  2. Step 2: Convert to fraction form
    14,475.20/21,749.09 = 9,212.46/x
  3. Step 3: Cross multiply
    14,475.20x = 21,749.09 × 9,212.46
  4. Step 4: Simplify right side
    14,475.20x = 200,362,575.60
  5. Step 5: Solve for x
    x = 200,362,575.60/14,475.20
  6. Step 6: Final answer
    x = 13,841.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.