Home / 18,444.56-25,453.60-10,489.44

Finding the Fourth Proportional to 18,444.56, 25,453.60 and 10,489.44

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Solution

The fourth proportional to 18,444.56, 25,453.60 and 10,489.44 is: 14,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.56 : 25,453.60 = 10,489.44 : x
  2. Step 2: Convert to fraction form
    18,444.56/25,453.60 = 10,489.44/x
  3. Step 3: Cross multiply
    18,444.56x = 25,453.60 × 10,489.44
  4. Step 4: Simplify right side
    18,444.56x = 266,994,009.98
  5. Step 5: Solve for x
    x = 266,994,009.98/18,444.56
  6. Step 6: Final answer
    x = 14,475.49

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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.