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Finding the Fourth Proportional to 18,173.19, 25,078.03 and 10,214.89

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Solution

The fourth proportional to 18,173.19, 25,078.03 and 10,214.89 is: 14,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.19 : 25,078.03 = 10,214.89 : x
  2. Step 2: Convert to fraction form
    18,173.19/25,078.03 = 10,214.89/x
  3. Step 3: Cross multiply
    18,173.19x = 25,078.03 × 10,214.89
  4. Step 4: Simplify right side
    18,173.19x = 256,169,317.87
  5. Step 5: Solve for x
    x = 256,169,317.87/18,173.19
  6. Step 6: Final answer
    x = 14,096.00

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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.