Home / 22,693.86-31,313.73-12,620.97

Finding the Fourth Proportional to 22,693.86, 31,313.73 and 12,620.97

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Solution

The fourth proportional to 22,693.86, 31,313.73 and 12,620.97 is: 17,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.86 : 31,313.73 = 12,620.97 : x
  2. Step 2: Convert to fraction form
    22,693.86/31,313.73 = 12,620.97/x
  3. Step 3: Cross multiply
    22,693.86x = 31,313.73 × 12,620.97
  4. Step 4: Simplify right side
    22,693.86x = 395,209,646.92
  5. Step 5: Solve for x
    x = 395,209,646.92/22,693.86
  6. Step 6: Final answer
    x = 17,414.83

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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.