Home / 18,973.92-28,450.62-5,822.76

Finding the Fourth Proportional to 18,973.92, 28,450.62 and 5,822.76

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Solution

The fourth proportional to 18,973.92, 28,450.62 and 5,822.76 is: 8,730.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.92 : 28,450.62 = 5,822.76 : x
  2. Step 2: Convert to fraction form
    18,973.92/28,450.62 = 5,822.76/x
  3. Step 3: Cross multiply
    18,973.92x = 28,450.62 × 5,822.76
  4. Step 4: Simplify right side
    18,973.92x = 165,661,132.11
  5. Step 5: Solve for x
    x = 165,661,132.11/18,973.92
  6. Step 6: Final answer
    x = 8,730.99

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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.