Home / 14,635.23-20,196.62-7,920.91

Finding the Fourth Proportional to 14,635.23, 20,196.62 and 7,920.91

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Solution

The fourth proportional to 14,635.23, 20,196.62 and 7,920.91 is: 10,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.23 : 20,196.62 = 7,920.91 : x
  2. Step 2: Convert to fraction form
    14,635.23/20,196.62 = 7,920.91/x
  3. Step 3: Cross multiply
    14,635.23x = 20,196.62 × 7,920.91
  4. Step 4: Simplify right side
    14,635.23x = 159,975,519.23
  5. Step 5: Solve for x
    x = 159,975,519.23/14,635.23
  6. Step 6: Final answer
    x = 10,930.85

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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.