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Finding the Fourth Proportional to 19,258.80, 28,842.30 and 9,366.30

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Solution

The fourth proportional to 19,258.80, 28,842.30 and 9,366.30 is: 14,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.80 : 28,842.30 = 9,366.30 : x
  2. Step 2: Convert to fraction form
    19,258.80/28,842.30 = 9,366.30/x
  3. Step 3: Cross multiply
    19,258.80x = 28,842.30 × 9,366.30
  4. Step 4: Simplify right side
    19,258.80x = 270,145,634.49
  5. Step 5: Solve for x
    x = 270,145,634.49/19,258.80
  6. Step 6: Final answer
    x = 14,027.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.