Home / 18,308.64-25,262.92-10,753.36

Finding the Fourth Proportional to 18,308.64, 25,262.92 and 10,753.36

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Solution

The fourth proportional to 18,308.64, 25,262.92 and 10,753.36 is: 14,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.64 : 25,262.92 = 10,753.36 : x
  2. Step 2: Convert to fraction form
    18,308.64/25,262.92 = 10,753.36/x
  3. Step 3: Cross multiply
    18,308.64x = 25,262.92 × 10,753.36
  4. Step 4: Simplify right side
    18,308.64x = 271,661,273.41
  5. Step 5: Solve for x
    x = 271,661,273.41/18,308.64
  6. Step 6: Final answer
    x = 14,837.87

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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.