Home / 18,582.08-25,642.50-10,198.76

Finding the Fourth Proportional to 18,582.08, 25,642.50 and 10,198.76

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Solution

The fourth proportional to 18,582.08, 25,642.50 and 10,198.76 is: 14,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.08 : 25,642.50 = 10,198.76 : x
  2. Step 2: Convert to fraction form
    18,582.08/25,642.50 = 10,198.76/x
  3. Step 3: Cross multiply
    18,582.08x = 25,642.50 × 10,198.76
  4. Step 4: Simplify right side
    18,582.08x = 261,521,703.30
  5. Step 5: Solve for x
    x = 261,521,703.30/18,582.08
  6. Step 6: Final answer
    x = 14,073.87

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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.