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Finding the Fourth Proportional to 14,393.54, 21,562.60 and 8,830.64

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Solution

The fourth proportional to 14,393.54, 21,562.60 and 8,830.64 is: 13,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.54 : 21,562.60 = 8,830.64 : x
  2. Step 2: Convert to fraction form
    14,393.54/21,562.60 = 8,830.64/x
  3. Step 3: Cross multiply
    14,393.54x = 21,562.60 × 8,830.64
  4. Step 4: Simplify right side
    14,393.54x = 190,411,558.06
  5. Step 5: Solve for x
    x = 190,411,558.06/14,393.54
  6. Step 6: Final answer
    x = 13,228.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.