Home / 18,724.32-25,837.36-10,340.32

Finding the Fourth Proportional to 18,724.32, 25,837.36 and 10,340.32

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Solution

The fourth proportional to 18,724.32, 25,837.36 and 10,340.32 is: 14,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.32 : 25,837.36 = 10,340.32 : x
  2. Step 2: Convert to fraction form
    18,724.32/25,837.36 = 10,340.32/x
  3. Step 3: Cross multiply
    18,724.32x = 25,837.36 × 10,340.32
  4. Step 4: Simplify right side
    18,724.32x = 267,166,570.36
  5. Step 5: Solve for x
    x = 267,166,570.36/18,724.32
  6. Step 6: Final answer
    x = 14,268.43

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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.