Home / 18,610.10-25,681.64-10,226.42

Finding the Fourth Proportional to 18,610.10, 25,681.64 and 10,226.42

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Solution

The fourth proportional to 18,610.10, 25,681.64 and 10,226.42 is: 14,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.10 : 25,681.64 = 10,226.42 : x
  2. Step 2: Convert to fraction form
    18,610.10/25,681.64 = 10,226.42/x
  3. Step 3: Cross multiply
    18,610.10x = 25,681.64 × 10,226.42
  4. Step 4: Simplify right side
    18,610.10x = 262,631,236.93
  5. Step 5: Solve for x
    x = 262,631,236.93/18,610.10
  6. Step 6: Final answer
    x = 14,112.30

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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.