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Finding the Fourth Proportional to 14,308.92, 19,744.31 and 8,335.98

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Solution

The fourth proportional to 14,308.92, 19,744.31 and 8,335.98 is: 11,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.92 : 19,744.31 = 8,335.98 : x
  2. Step 2: Convert to fraction form
    14,308.92/19,744.31 = 8,335.98/x
  3. Step 3: Cross multiply
    14,308.92x = 19,744.31 × 8,335.98
  4. Step 4: Simplify right side
    14,308.92x = 164,588,194.11
  5. Step 5: Solve for x
    x = 164,588,194.11/14,308.92
  6. Step 6: Final answer
    x = 11,502.49

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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.