Home / 27,619.04-38,114.24-15,043.88

Finding the Fourth Proportional to 27,619.04, 38,114.24 and 15,043.88

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Solution

The fourth proportional to 27,619.04, 38,114.24 and 15,043.88 is: 20,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.04 : 38,114.24 = 15,043.88 : x
  2. Step 2: Convert to fraction form
    27,619.04/38,114.24 = 15,043.88/x
  3. Step 3: Cross multiply
    27,619.04x = 38,114.24 × 15,043.88
  4. Step 4: Simplify right side
    27,619.04x = 573,386,052.85
  5. Step 5: Solve for x
    x = 573,386,052.85/27,619.04
  6. Step 6: Final answer
    x = 20,760.54

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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.