Home / 19,853.28-27,387.19-16,080.71

Finding the Fourth Proportional to 19,853.28, 27,387.19 and 16,080.71

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Solution

The fourth proportional to 19,853.28, 27,387.19 and 16,080.71 is: 22,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.28 : 27,387.19 = 16,080.71 : x
  2. Step 2: Convert to fraction form
    19,853.28/27,387.19 = 16,080.71/x
  3. Step 3: Cross multiply
    19,853.28x = 27,387.19 × 16,080.71
  4. Step 4: Simplify right side
    19,853.28x = 440,405,242.77
  5. Step 5: Solve for x
    x = 440,405,242.77/19,853.28
  6. Step 6: Final answer
    x = 22,183.00

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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.