Home / 18,617.11-25,689.32-11,063.59

Finding the Fourth Proportional to 18,617.11, 25,689.32 and 11,063.59

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Solution

The fourth proportional to 18,617.11, 25,689.32 and 11,063.59 is: 15,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.11 : 25,689.32 = 11,063.59 : x
  2. Step 2: Convert to fraction form
    18,617.11/25,689.32 = 11,063.59/x
  3. Step 3: Cross multiply
    18,617.11x = 25,689.32 × 11,063.59
  4. Step 4: Simplify right side
    18,617.11x = 284,216,025.81
  5. Step 5: Solve for x
    x = 284,216,025.81/18,617.11
  6. Step 6: Final answer
    x = 15,266.39

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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.