Home / 20,632.97-28,486.74-14,183.34

Finding the Fourth Proportional to 20,632.97, 28,486.74 and 14,183.34

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Solution

The fourth proportional to 20,632.97, 28,486.74 and 14,183.34 is: 19,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.97 : 28,486.74 = 14,183.34 : x
  2. Step 2: Convert to fraction form
    20,632.97/28,486.74 = 14,183.34/x
  3. Step 3: Cross multiply
    20,632.97x = 28,486.74 × 14,183.34
  4. Step 4: Simplify right side
    20,632.97x = 404,036,955.57
  5. Step 5: Solve for x
    x = 404,036,955.57/20,632.97
  6. Step 6: Final answer
    x = 19,582.10

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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.