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Finding the Fourth Proportional to 18,225.85, 24,987.63 and 17,893.70

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Solution

The fourth proportional to 18,225.85, 24,987.63 and 17,893.70 is: 24,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.85 : 24,987.63 = 17,893.70 : x
  2. Step 2: Convert to fraction form
    18,225.85/24,987.63 = 17,893.70/x
  3. Step 3: Cross multiply
    18,225.85x = 24,987.63 × 17,893.70
  4. Step 4: Simplify right side
    18,225.85x = 447,121,052.36
  5. Step 5: Solve for x
    x = 447,121,052.36/18,225.85
  6. Step 6: Final answer
    x = 24,532.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.