Home / 22,794.20-31,431.20-14,821.64

Finding the Fourth Proportional to 22,794.20, 31,431.20 and 14,821.64

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Solution

The fourth proportional to 22,794.20, 31,431.20 and 14,821.64 is: 20,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.20 : 31,431.20 = 14,821.64 : x
  2. Step 2: Convert to fraction form
    22,794.20/31,431.20 = 14,821.64/x
  3. Step 3: Cross multiply
    22,794.20x = 31,431.20 × 14,821.64
  4. Step 4: Simplify right side
    22,794.20x = 465,862,086.09
  5. Step 5: Solve for x
    x = 465,862,086.09/22,794.20
  6. Step 6: Final answer
    x = 20,437.74

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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.