Home / 18,129.20-27,182.70-16,582.24

Finding the Fourth Proportional to 18,129.20, 27,182.70 and 16,582.24

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Solution

The fourth proportional to 18,129.20, 27,182.70 and 16,582.24 is: 24,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.20 : 27,182.70 = 16,582.24 : x
  2. Step 2: Convert to fraction form
    18,129.20/27,182.70 = 16,582.24/x
  3. Step 3: Cross multiply
    18,129.20x = 27,182.70 × 16,582.24
  4. Step 4: Simplify right side
    18,129.20x = 450,750,055.25
  5. Step 5: Solve for x
    x = 450,750,055.25/18,129.20
  6. Step 6: Final answer
    x = 24,863.21

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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.