Home / 18,305.44-25,262.55-10,348.36

Finding the Fourth Proportional to 18,305.44, 25,262.55 and 10,348.36

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Solution

The fourth proportional to 18,305.44, 25,262.55 and 10,348.36 is: 14,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.44 : 25,262.55 = 10,348.36 : x
  2. Step 2: Convert to fraction form
    18,305.44/25,262.55 = 10,348.36/x
  3. Step 3: Cross multiply
    18,305.44x = 25,262.55 × 10,348.36
  4. Step 4: Simplify right side
    18,305.44x = 261,425,835.61
  5. Step 5: Solve for x
    x = 261,425,835.61/18,305.44
  6. Step 6: Final answer
    x = 14,281.32

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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.