Home / 18,722.82-25,837.58-10,339.32

Finding the Fourth Proportional to 18,722.82, 25,837.58 and 10,339.32

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Solution

The fourth proportional to 18,722.82, 25,837.58 and 10,339.32 is: 14,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.82 : 25,837.58 = 10,339.32 : x
  2. Step 2: Convert to fraction form
    18,722.82/25,837.58 = 10,339.32/x
  3. Step 3: Cross multiply
    18,722.82x = 25,837.58 × 10,339.32
  4. Step 4: Simplify right side
    18,722.82x = 267,143,007.65
  5. Step 5: Solve for x
    x = 267,143,007.65/18,722.82
  6. Step 6: Final answer
    x = 14,268.31

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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.