Home / 45,590.13-68,383.15-13,998.92

Finding the Fourth Proportional to 45,590.13, 68,383.15 and 13,998.92

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Solution

The fourth proportional to 45,590.13, 68,383.15 and 13,998.92 is: 20,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.13 : 68,383.15 = 13,998.92 : x
  2. Step 2: Convert to fraction form
    45,590.13/68,383.15 = 13,998.92/x
  3. Step 3: Cross multiply
    45,590.13x = 68,383.15 × 13,998.92
  4. Step 4: Simplify right side
    45,590.13x = 957,289,869.28
  5. Step 5: Solve for x
    x = 957,289,869.28/45,590.13
  6. Step 6: Final answer
    x = 20,997.74

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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.