Home / 18,305.20-25,262.46-10,347.49

Finding the Fourth Proportional to 18,305.20, 25,262.46 and 10,347.49

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Solution

The fourth proportional to 18,305.20, 25,262.46 and 10,347.49 is: 14,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.20 : 25,262.46 = 10,347.49 : x
  2. Step 2: Convert to fraction form
    18,305.20/25,262.46 = 10,347.49/x
  3. Step 3: Cross multiply
    18,305.20x = 25,262.46 × 10,347.49
  4. Step 4: Simplify right side
    18,305.20x = 261,403,052.23
  5. Step 5: Solve for x
    x = 261,403,052.23/18,305.20
  6. Step 6: Final answer
    x = 14,280.26

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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.