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Finding the Fourth Proportional to 18,137.75, 25,030.19 and 10,589.32

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Solution

The fourth proportional to 18,137.75, 25,030.19 and 10,589.32 is: 14,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.75 : 25,030.19 = 10,589.32 : x
  2. Step 2: Convert to fraction form
    18,137.75/25,030.19 = 10,589.32/x
  3. Step 3: Cross multiply
    18,137.75x = 25,030.19 × 10,589.32
  4. Step 4: Simplify right side
    18,137.75x = 265,052,513.47
  5. Step 5: Solve for x
    x = 265,052,513.47/18,137.75
  6. Step 6: Final answer
    x = 14,613.31

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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.