Home / 14,766.75-20,378.52-8,479.53

Finding the Fourth Proportional to 14,766.75, 20,378.52 and 8,479.53

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Solution

The fourth proportional to 14,766.75, 20,378.52 and 8,479.53 is: 11,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.75 : 20,378.52 = 8,479.53 : x
  2. Step 2: Convert to fraction form
    14,766.75/20,378.52 = 8,479.53/x
  3. Step 3: Cross multiply
    14,766.75x = 20,378.52 × 8,479.53
  4. Step 4: Simplify right side
    14,766.75x = 172,800,271.70
  5. Step 5: Solve for x
    x = 172,800,271.70/14,766.75
  6. Step 6: Final answer
    x = 11,701.98

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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.