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Finding the Fourth Proportional to 19,125.68, 26,393.10 and 11,673.68

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Solution

The fourth proportional to 19,125.68, 26,393.10 and 11,673.68 is: 16,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.68 : 26,393.10 = 11,673.68 : x
  2. Step 2: Convert to fraction form
    19,125.68/26,393.10 = 11,673.68/x
  3. Step 3: Cross multiply
    19,125.68x = 26,393.10 × 11,673.68
  4. Step 4: Simplify right side
    19,125.68x = 308,104,603.61
  5. Step 5: Solve for x
    x = 308,104,603.61/19,125.68
  6. Step 6: Final answer
    x = 16,109.47

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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.