Home / 27,116.20-37,420.34-15,179.54

Finding the Fourth Proportional to 27,116.20, 37,420.34 and 15,179.54

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Solution

The fourth proportional to 27,116.20, 37,420.34 and 15,179.54 is: 20,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.20 : 37,420.34 = 15,179.54 : x
  2. Step 2: Convert to fraction form
    27,116.20/37,420.34 = 15,179.54/x
  3. Step 3: Cross multiply
    27,116.20x = 37,420.34 × 15,179.54
  4. Step 4: Simplify right side
    27,116.20x = 568,023,547.84
  5. Step 5: Solve for x
    x = 568,023,547.84/27,116.20
  6. Step 6: Final answer
    x = 20,947.76

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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.