Home / 27,198.66-40,810.55-12,412.11

Finding the Fourth Proportional to 27,198.66, 40,810.55 and 12,412.11

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Solution

The fourth proportional to 27,198.66, 40,810.55 and 12,412.11 is: 18,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.66 : 40,810.55 = 12,412.11 : x
  2. Step 2: Convert to fraction form
    27,198.66/40,810.55 = 12,412.11/x
  3. Step 3: Cross multiply
    27,198.66x = 40,810.55 × 12,412.11
  4. Step 4: Simplify right side
    27,198.66x = 506,545,035.76
  5. Step 5: Solve for x
    x = 506,545,035.76/27,198.66
  6. Step 6: Final answer
    x = 18,623.90

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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.