Home / 18,324.91-27,488.51-6,638.23

Finding the Fourth Proportional to 18,324.91, 27,488.51 and 6,638.23

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Solution

The fourth proportional to 18,324.91, 27,488.51 and 6,638.23 is: 9,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.91 : 27,488.51 = 6,638.23 : x
  2. Step 2: Convert to fraction form
    18,324.91/27,488.51 = 6,638.23/x
  3. Step 3: Cross multiply
    18,324.91x = 27,488.51 × 6,638.23
  4. Step 4: Simplify right side
    18,324.91x = 182,475,051.74
  5. Step 5: Solve for x
    x = 182,475,051.74/18,324.91
  6. Step 6: Final answer
    x = 9,957.76

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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.