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Finding the Fourth Proportional to 14,308.59, 19,755 and 11,662.32

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Solution

The fourth proportional to 14,308.59, 19,755 and 11,662.32 is: 16,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.59 : 19,755 = 11,662.32 : x
  2. Step 2: Convert to fraction form
    14,308.59/19,755 = 11,662.32/x
  3. Step 3: Cross multiply
    14,308.59x = 19,755 × 11,662.32
  4. Step 4: Simplify right side
    14,308.59x = 230,389,131.60
  5. Step 5: Solve for x
    x = 230,389,131.60/14,308.59
  6. Step 6: Final answer
    x = 16,101.46

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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.