Home / 18,111.24-27,166.08-4,964.88

Finding the Fourth Proportional to 18,111.24, 27,166.08 and 4,964.88

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Solution

The fourth proportional to 18,111.24, 27,166.08 and 4,964.88 is: 7,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.24 : 27,166.08 = 4,964.88 : x
  2. Step 2: Convert to fraction form
    18,111.24/27,166.08 = 4,964.88/x
  3. Step 3: Cross multiply
    18,111.24x = 27,166.08 × 4,964.88
  4. Step 4: Simplify right side
    18,111.24x = 134,876,327.27
  5. Step 5: Solve for x
    x = 134,876,327.27/18,111.24
  6. Step 6: Final answer
    x = 7,447.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.