Home / 20,598.57-30,897.68-7,450.83

Finding the Fourth Proportional to 20,598.57, 30,897.68 and 7,450.83

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Solution

The fourth proportional to 20,598.57, 30,897.68 and 7,450.83 is: 11,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.57 : 30,897.68 = 7,450.83 : x
  2. Step 2: Convert to fraction form
    20,598.57/30,897.68 = 7,450.83/x
  3. Step 3: Cross multiply
    20,598.57x = 30,897.68 × 7,450.83
  4. Step 4: Simplify right side
    20,598.57x = 230,213,323.82
  5. Step 5: Solve for x
    x = 230,213,323.82/20,598.57
  6. Step 6: Final answer
    x = 11,176.18

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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.