Home / 30,333.42-45,514.57-13,698.54

Finding the Fourth Proportional to 30,333.42, 45,514.57 and 13,698.54

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Solution

The fourth proportional to 30,333.42, 45,514.57 and 13,698.54 is: 20,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.42 : 45,514.57 = 13,698.54 : x
  2. Step 2: Convert to fraction form
    30,333.42/45,514.57 = 13,698.54/x
  3. Step 3: Cross multiply
    30,333.42x = 45,514.57 × 13,698.54
  4. Step 4: Simplify right side
    30,333.42x = 623,483,157.73
  5. Step 5: Solve for x
    x = 623,483,157.73/30,333.42
  6. Step 6: Final answer
    x = 20,554.33

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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.