Home / 14,738.81-20,339.43-8,024.42

Finding the Fourth Proportional to 14,738.81, 20,339.43 and 8,024.42

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Solution

The fourth proportional to 14,738.81, 20,339.43 and 8,024.42 is: 11,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.81 : 20,339.43 = 8,024.42 : x
  2. Step 2: Convert to fraction form
    14,738.81/20,339.43 = 8,024.42/x
  3. Step 3: Cross multiply
    14,738.81x = 20,339.43 × 8,024.42
  4. Step 4: Simplify right side
    14,738.81x = 163,212,179.73
  5. Step 5: Solve for x
    x = 163,212,179.73/14,738.81
  6. Step 6: Final answer
    x = 11,073.63

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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.