Home / 22,800.12-31,463.96-12,727.92

Finding the Fourth Proportional to 22,800.12, 31,463.96 and 12,727.92

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Solution

The fourth proportional to 22,800.12, 31,463.96 and 12,727.92 is: 17,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.12 : 31,463.96 = 12,727.92 : x
  2. Step 2: Convert to fraction form
    22,800.12/31,463.96 = 12,727.92/x
  3. Step 3: Cross multiply
    22,800.12x = 31,463.96 × 12,727.92
  4. Step 4: Simplify right side
    22,800.12x = 400,470,765.76
  5. Step 5: Solve for x
    x = 400,470,765.76/22,800.12
  6. Step 6: Final answer
    x = 17,564.41

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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.