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Finding the Fourth Proportional to 14,265.50, 19,696.04 and 8,890.07

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Solution

The fourth proportional to 14,265.50, 19,696.04 and 8,890.07 is: 12,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.50 : 19,696.04 = 8,890.07 : x
  2. Step 2: Convert to fraction form
    14,265.50/19,696.04 = 8,890.07/x
  3. Step 3: Cross multiply
    14,265.50x = 19,696.04 × 8,890.07
  4. Step 4: Simplify right side
    14,265.50x = 175,099,031.39
  5. Step 5: Solve for x
    x = 175,099,031.39/14,265.50
  6. Step 6: Final answer
    x = 12,274.30

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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.