Home / 14,651.65-20,219.52-8,276.95

Finding the Fourth Proportional to 14,651.65, 20,219.52 and 8,276.95

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Solution

The fourth proportional to 14,651.65, 20,219.52 and 8,276.95 is: 11,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.65 : 20,219.52 = 8,276.95 : x
  2. Step 2: Convert to fraction form
    14,651.65/20,219.52 = 8,276.95/x
  3. Step 3: Cross multiply
    14,651.65x = 20,219.52 × 8,276.95
  4. Step 4: Simplify right side
    14,651.65x = 167,355,956.06
  5. Step 5: Solve for x
    x = 167,355,956.06/14,651.65
  6. Step 6: Final answer
    x = 11,422.33

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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.