Home / 18,583.72-25,645.32-10,517.29

Finding the Fourth Proportional to 18,583.72, 25,645.32 and 10,517.29

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Solution

The fourth proportional to 18,583.72, 25,645.32 and 10,517.29 is: 14,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.72 : 25,645.32 = 10,517.29 : x
  2. Step 2: Convert to fraction form
    18,583.72/25,645.32 = 10,517.29/x
  3. Step 3: Cross multiply
    18,583.72x = 25,645.32 × 10,517.29
  4. Step 4: Simplify right side
    18,583.72x = 269,719,267.58
  5. Step 5: Solve for x
    x = 269,719,267.58/18,583.72
  6. Step 6: Final answer
    x = 14,513.74

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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.