Home / 14,904.73-20,567.19-8,190.28

Finding the Fourth Proportional to 14,904.73, 20,567.19 and 8,190.28

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Solution

The fourth proportional to 14,904.73, 20,567.19 and 8,190.28 is: 11,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.73 : 20,567.19 = 8,190.28 : x
  2. Step 2: Convert to fraction form
    14,904.73/20,567.19 = 8,190.28/x
  3. Step 3: Cross multiply
    14,904.73x = 20,567.19 × 8,190.28
  4. Step 4: Simplify right side
    14,904.73x = 168,451,044.91
  5. Step 5: Solve for x
    x = 168,451,044.91/14,904.73
  6. Step 6: Final answer
    x = 11,301.85

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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.