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Finding the Fourth Proportional to 19,185.00, 26,476.09 and 10,687.12

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Solution

The fourth proportional to 19,185.00, 26,476.09 and 10,687.12 is: 14,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.00 : 26,476.09 = 10,687.12 : x
  2. Step 2: Convert to fraction form
    19,185.00/26,476.09 = 10,687.12/x
  3. Step 3: Cross multiply
    19,185.00x = 26,476.09 × 10,687.12
  4. Step 4: Simplify right side
    19,185.00x = 282,953,089.35
  5. Step 5: Solve for x
    x = 282,953,089.35/19,185.00
  6. Step 6: Final answer
    x = 14,748.66

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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.