Home / 27,459.95-41,157.12-12,653.96

Finding the Fourth Proportional to 27,459.95, 41,157.12 and 12,653.96

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Solution

The fourth proportional to 27,459.95, 41,157.12 and 12,653.96 is: 18,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.95 : 41,157.12 = 12,653.96 : x
  2. Step 2: Convert to fraction form
    27,459.95/41,157.12 = 12,653.96/x
  3. Step 3: Cross multiply
    27,459.95x = 41,157.12 × 12,653.96
  4. Step 4: Simplify right side
    27,459.95x = 520,800,550.20
  5. Step 5: Solve for x
    x = 520,800,550.20/27,459.95
  6. Step 6: Final answer
    x = 18,965.82

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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.