Home / 38,814.42-58,232.97-12,518.58

Finding the Fourth Proportional to 38,814.42, 58,232.97 and 12,518.58

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Solution

The fourth proportional to 38,814.42, 58,232.97 and 12,518.58 is: 18,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,814.42 : 58,232.97 = 12,518.58 : x
  2. Step 2: Convert to fraction form
    38,814.42/58,232.97 = 12,518.58/x
  3. Step 3: Cross multiply
    38,814.42x = 58,232.97 × 12,518.58
  4. Step 4: Simplify right side
    38,814.42x = 728,994,093.58
  5. Step 5: Solve for x
    x = 728,994,093.58/38,814.42
  6. Step 6: Final answer
    x = 18,781.53

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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.