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Finding the Fourth Proportional to 14,573.66, 21,843.95 and 12,815.26

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Solution

The fourth proportional to 14,573.66, 21,843.95 and 12,815.26 is: 19,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.66 : 21,843.95 = 12,815.26 : x
  2. Step 2: Convert to fraction form
    14,573.66/21,843.95 = 12,815.26/x
  3. Step 3: Cross multiply
    14,573.66x = 21,843.95 × 12,815.26
  4. Step 4: Simplify right side
    14,573.66x = 279,935,779.99
  5. Step 5: Solve for x
    x = 279,935,779.99/14,573.66
  6. Step 6: Final answer
    x = 19,208.34

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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.