Home / 27,917.28-41,852.38-12,110.42

Finding the Fourth Proportional to 27,917.28, 41,852.38 and 12,110.42

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Solution

The fourth proportional to 27,917.28, 41,852.38 and 12,110.42 is: 18,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.28 : 41,852.38 = 12,110.42 : x
  2. Step 2: Convert to fraction form
    27,917.28/41,852.38 = 12,110.42/x
  3. Step 3: Cross multiply
    27,917.28x = 41,852.38 × 12,110.42
  4. Step 4: Simplify right side
    27,917.28x = 506,849,899.80
  5. Step 5: Solve for x
    x = 506,849,899.80/27,917.28
  6. Step 6: Final answer
    x = 18,155.42

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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.