Home / 13,644.10-18,804.18-10,263.97

Finding the Fourth Proportional to 13,644.10, 18,804.18 and 10,263.97

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Solution

The fourth proportional to 13,644.10, 18,804.18 and 10,263.97 is: 14,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.10 : 18,804.18 = 10,263.97 : x
  2. Step 2: Convert to fraction form
    13,644.10/18,804.18 = 10,263.97/x
  3. Step 3: Cross multiply
    13,644.10x = 18,804.18 × 10,263.97
  4. Step 4: Simplify right side
    13,644.10x = 193,005,539.39
  5. Step 5: Solve for x
    x = 193,005,539.39/13,644.10
  6. Step 6: Final answer
    x = 14,145.71

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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.