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Finding the Fourth Proportional to 14,059.76, 19,394.79 and 9,018.37

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Solution

The fourth proportional to 14,059.76, 19,394.79 and 9,018.37 is: 12,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.76 : 19,394.79 = 9,018.37 : x
  2. Step 2: Convert to fraction form
    14,059.76/19,394.79 = 9,018.37/x
  3. Step 3: Cross multiply
    14,059.76x = 19,394.79 × 9,018.37
  4. Step 4: Simplify right side
    14,059.76x = 174,909,433.45
  5. Step 5: Solve for x
    x = 174,909,433.45/14,059.76
  6. Step 6: Final answer
    x = 12,440.43

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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.