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Finding the Fourth Proportional to 14,332.73, 19,788.53 and 9,311.26

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Solution

The fourth proportional to 14,332.73, 19,788.53 and 9,311.26 is: 12,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.73 : 19,788.53 = 9,311.26 : x
  2. Step 2: Convert to fraction form
    14,332.73/19,788.53 = 9,311.26/x
  3. Step 3: Cross multiply
    14,332.73x = 19,788.53 × 9,311.26
  4. Step 4: Simplify right side
    14,332.73x = 184,256,164.94
  5. Step 5: Solve for x
    x = 184,256,164.94/14,332.73
  6. Step 6: Final answer
    x = 12,855.62

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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.