Home / 27,919.06-41,885.50-13,885.76

Finding the Fourth Proportional to 27,919.06, 41,885.50 and 13,885.76

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Solution

The fourth proportional to 27,919.06, 41,885.50 and 13,885.76 is: 20,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.06 : 41,885.50 = 13,885.76 : x
  2. Step 2: Convert to fraction form
    27,919.06/41,885.50 = 13,885.76/x
  3. Step 3: Cross multiply
    27,919.06x = 41,885.50 × 13,885.76
  4. Step 4: Simplify right side
    27,919.06x = 581,612,000.48
  5. Step 5: Solve for x
    x = 581,612,000.48/27,919.06
  6. Step 6: Final answer
    x = 20,832.08

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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.