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Finding the Fourth Proportional to 19,291.82, 26,637.82 and 14,808.48

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Solution

The fourth proportional to 19,291.82, 26,637.82 and 14,808.48 is: 20,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.82 : 26,637.82 = 14,808.48 : x
  2. Step 2: Convert to fraction form
    19,291.82/26,637.82 = 14,808.48/x
  3. Step 3: Cross multiply
    19,291.82x = 26,637.82 × 14,808.48
  4. Step 4: Simplify right side
    19,291.82x = 394,465,624.71
  5. Step 5: Solve for x
    x = 394,465,624.71/19,291.82
  6. Step 6: Final answer
    x = 20,447.30

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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.