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Finding the Fourth Proportional to 14,321.62, 19,762.86 and 8,033.50

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Solution

The fourth proportional to 14,321.62, 19,762.86 and 8,033.50 is: 11,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.62 : 19,762.86 = 8,033.50 : x
  2. Step 2: Convert to fraction form
    14,321.62/19,762.86 = 8,033.50/x
  3. Step 3: Cross multiply
    14,321.62x = 19,762.86 × 8,033.50
  4. Step 4: Simplify right side
    14,321.62x = 158,764,935.81
  5. Step 5: Solve for x
    x = 158,764,935.81/14,321.62
  6. Step 6: Final answer
    x = 11,085.68

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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.