Home / 18,639.56-25,723.44-11,568.26

Finding the Fourth Proportional to 18,639.56, 25,723.44 and 11,568.26

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Solution

The fourth proportional to 18,639.56, 25,723.44 and 11,568.26 is: 15,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639.56 : 25,723.44 = 11,568.26 : x
  2. Step 2: Convert to fraction form
    18,639.56/25,723.44 = 11,568.26/x
  3. Step 3: Cross multiply
    18,639.56x = 25,723.44 × 11,568.26
  4. Step 4: Simplify right side
    18,639.56x = 297,575,442.01
  5. Step 5: Solve for x
    x = 297,575,442.01/18,639.56
  6. Step 6: Final answer
    x = 15,964.72

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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.