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Finding the Fourth Proportional to 17,898.36, 24,720.72 and 14,325.72

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Solution

The fourth proportional to 17,898.36, 24,720.72 and 14,325.72 is: 19,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.36 : 24,720.72 = 14,325.72 : x
  2. Step 2: Convert to fraction form
    17,898.36/24,720.72 = 14,325.72/x
  3. Step 3: Cross multiply
    17,898.36x = 24,720.72 × 14,325.72
  4. Step 4: Simplify right side
    17,898.36x = 354,142,112.92
  5. Step 5: Solve for x
    x = 354,142,112.92/17,898.36
  6. Step 6: Final answer
    x = 19,786.29

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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.