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Finding the Fourth Proportional to 14,167.71, 19,551.44 and 7,794.39

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Solution

The fourth proportional to 14,167.71, 19,551.44 and 7,794.39 is: 10,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.71 : 19,551.44 = 7,794.39 : x
  2. Step 2: Convert to fraction form
    14,167.71/19,551.44 = 7,794.39/x
  3. Step 3: Cross multiply
    14,167.71x = 19,551.44 × 7,794.39
  4. Step 4: Simplify right side
    14,167.71x = 152,391,548.42
  5. Step 5: Solve for x
    x = 152,391,548.42/14,167.71
  6. Step 6: Final answer
    x = 10,756.26

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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.