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Finding the Fourth Proportional to 14,551.25, 21,826.87 and 11,615.81

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Solution

The fourth proportional to 14,551.25, 21,826.87 and 11,615.81 is: 17,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.25 : 21,826.87 = 11,615.81 : x
  2. Step 2: Convert to fraction form
    14,551.25/21,826.87 = 11,615.81/x
  3. Step 3: Cross multiply
    14,551.25x = 21,826.87 × 11,615.81
  4. Step 4: Simplify right side
    14,551.25x = 253,536,636.64
  5. Step 5: Solve for x
    x = 253,536,636.64/14,551.25
  6. Step 6: Final answer
    x = 17,423.71

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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.