Home / 16,519.68-22,766.40-11,214.72

Finding the Fourth Proportional to 16,519.68, 22,766.40 and 11,214.72

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Solution

The fourth proportional to 16,519.68, 22,766.40 and 11,214.72 is: 15,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.68 : 22,766.40 = 11,214.72 : x
  2. Step 2: Convert to fraction form
    16,519.68/22,766.40 = 11,214.72/x
  3. Step 3: Cross multiply
    16,519.68x = 22,766.40 × 11,214.72
  4. Step 4: Simplify right side
    16,519.68x = 255,318,801.41
  5. Step 5: Solve for x
    x = 255,318,801.41/16,519.68
  6. Step 6: Final answer
    x = 15,455.43

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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.