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Finding the Fourth Proportional to 14,417.73, 19,896.94 and 8,367.51

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Solution

The fourth proportional to 14,417.73, 19,896.94 and 8,367.51 is: 11,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.73 : 19,896.94 = 8,367.51 : x
  2. Step 2: Convert to fraction form
    14,417.73/19,896.94 = 8,367.51/x
  3. Step 3: Cross multiply
    14,417.73x = 19,896.94 × 8,367.51
  4. Step 4: Simplify right side
    14,417.73x = 166,487,829.95
  5. Step 5: Solve for x
    x = 166,487,829.95/14,417.73
  6. Step 6: Final answer
    x = 11,547.44

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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.