Home / 18,723.12-25,837.94-10,339.62

Finding the Fourth Proportional to 18,723.12, 25,837.94 and 10,339.62

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Solution

The fourth proportional to 18,723.12, 25,837.94 and 10,339.62 is: 14,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.12 : 25,837.94 = 10,339.62 : x
  2. Step 2: Convert to fraction form
    18,723.12/25,837.94 = 10,339.62/x
  3. Step 3: Cross multiply
    18,723.12x = 25,837.94 × 10,339.62
  4. Step 4: Simplify right side
    18,723.12x = 267,154,481.18
  5. Step 5: Solve for x
    x = 267,154,481.18/18,723.12
  6. Step 6: Final answer
    x = 14,268.69

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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.