Home / 14,852.94-20,491.33-8,479.89

Finding the Fourth Proportional to 14,852.94, 20,491.33 and 8,479.89

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Solution

The fourth proportional to 14,852.94, 20,491.33 and 8,479.89 is: 11,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.94 : 20,491.33 = 8,479.89 : x
  2. Step 2: Convert to fraction form
    14,852.94/20,491.33 = 8,479.89/x
  3. Step 3: Cross multiply
    14,852.94x = 20,491.33 × 8,479.89
  4. Step 4: Simplify right side
    14,852.94x = 173,764,224.35
  5. Step 5: Solve for x
    x = 173,764,224.35/14,852.94
  6. Step 6: Final answer
    x = 11,698.98

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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.