Home / 14,886.62-20,542.24-8,172.22

Finding the Fourth Proportional to 14,886.62, 20,542.24 and 8,172.22

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Solution

The fourth proportional to 14,886.62, 20,542.24 and 8,172.22 is: 11,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.62 : 20,542.24 = 8,172.22 : x
  2. Step 2: Convert to fraction form
    14,886.62/20,542.24 = 8,172.22/x
  3. Step 3: Cross multiply
    14,886.62x = 20,542.24 × 8,172.22
  4. Step 4: Simplify right side
    14,886.62x = 167,875,704.57
  5. Step 5: Solve for x
    x = 167,875,704.57/14,886.62
  6. Step 6: Final answer
    x = 11,276.95

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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.