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Finding the Fourth Proportional to 18,283, 25,244.80 and 14,027.30

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Solution

The fourth proportional to 18,283, 25,244.80 and 14,027.30 is: 19,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283 : 25,244.80 = 14,027.30 : x
  2. Step 2: Convert to fraction form
    18,283/25,244.80 = 14,027.30/x
  3. Step 3: Cross multiply
    18,283x = 25,244.80 × 14,027.30
  4. Step 4: Simplify right side
    18,283x = 354,116,383.04
  5. Step 5: Solve for x
    x = 354,116,383.04/18,283
  6. Step 6: Final answer
    x = 19,368.61

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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.