Home / 18,558.22-25,610.30-10,174.78

Finding the Fourth Proportional to 18,558.22, 25,610.30 and 10,174.78

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Solution

The fourth proportional to 18,558.22, 25,610.30 and 10,174.78 is: 14,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.22 : 25,610.30 = 10,174.78 : x
  2. Step 2: Convert to fraction form
    18,558.22/25,610.30 = 10,174.78/x
  3. Step 3: Cross multiply
    18,558.22x = 25,610.30 × 10,174.78
  4. Step 4: Simplify right side
    18,558.22x = 260,579,168.23
  5. Step 5: Solve for x
    x = 260,579,168.23/18,558.22
  6. Step 6: Final answer
    x = 14,041.17

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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.