Home / 19,885.86-27,443.22-11,926.56

Finding the Fourth Proportional to 19,885.86, 27,443.22 and 11,926.56

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Solution

The fourth proportional to 19,885.86, 27,443.22 and 11,926.56 is: 16,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.86 : 27,443.22 = 11,926.56 : x
  2. Step 2: Convert to fraction form
    19,885.86/27,443.22 = 11,926.56/x
  3. Step 3: Cross multiply
    19,885.86x = 27,443.22 × 11,926.56
  4. Step 4: Simplify right side
    19,885.86x = 327,303,209.92
  5. Step 5: Solve for x
    x = 327,303,209.92/19,885.86
  6. Step 6: Final answer
    x = 16,459.09

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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.