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Finding the Fourth Proportional to 14,425.71, 21,639.48 and 6,104.63

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Solution

The fourth proportional to 14,425.71, 21,639.48 and 6,104.63 is: 9,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.71 : 21,639.48 = 6,104.63 : x
  2. Step 2: Convert to fraction form
    14,425.71/21,639.48 = 6,104.63/x
  3. Step 3: Cross multiply
    14,425.71x = 21,639.48 × 6,104.63
  4. Step 4: Simplify right side
    14,425.71x = 132,100,988.27
  5. Step 5: Solve for x
    x = 132,100,988.27/14,425.71
  6. Step 6: Final answer
    x = 9,157.33

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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.