Home / 20,117.99-30,166.85-6,966.83

Finding the Fourth Proportional to 20,117.99, 30,166.85 and 6,966.83

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Solution

The fourth proportional to 20,117.99, 30,166.85 and 6,966.83 is: 10,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.99 : 30,166.85 = 6,966.83 : x
  2. Step 2: Convert to fraction form
    20,117.99/30,166.85 = 6,966.83/x
  3. Step 3: Cross multiply
    20,117.99x = 30,166.85 × 6,966.83
  4. Step 4: Simplify right side
    20,117.99x = 210,167,182.17
  5. Step 5: Solve for x
    x = 210,167,182.17/20,117.99
  6. Step 6: Final answer
    x = 10,446.73

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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.