Home / 14,857.34-20,491.31-12,626.60

Finding the Fourth Proportional to 14,857.34, 20,491.31 and 12,626.60

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Solution

The fourth proportional to 14,857.34, 20,491.31 and 12,626.60 is: 17,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,857.34 : 20,491.31 = 12,626.60 : x
  2. Step 2: Convert to fraction form
    14,857.34/20,491.31 = 12,626.60/x
  3. Step 3: Cross multiply
    14,857.34x = 20,491.31 × 12,626.60
  4. Step 4: Simplify right side
    14,857.34x = 258,735,503.96
  5. Step 5: Solve for x
    x = 258,735,503.96/14,857.34
  6. Step 6: Final answer
    x = 17,414.66

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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.