Home / 14,651.62-20,216.73-8,275.30

Finding the Fourth Proportional to 14,651.62, 20,216.73 and 8,275.30

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Solution

The fourth proportional to 14,651.62, 20,216.73 and 8,275.30 is: 11,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.62 : 20,216.73 = 8,275.30 : x
  2. Step 2: Convert to fraction form
    14,651.62/20,216.73 = 8,275.30/x
  3. Step 3: Cross multiply
    14,651.62x = 20,216.73 × 8,275.30
  4. Step 4: Simplify right side
    14,651.62x = 167,299,505.77
  5. Step 5: Solve for x
    x = 167,299,505.77/14,651.62
  6. Step 6: Final answer
    x = 11,418.50

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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.