Home / 15,964.28-22,032.66-9,676.64

Finding the Fourth Proportional to 15,964.28, 22,032.66 and 9,676.64

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Solution

The fourth proportional to 15,964.28, 22,032.66 and 9,676.64 is: 13,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.28 : 22,032.66 = 9,676.64 : x
  2. Step 2: Convert to fraction form
    15,964.28/22,032.66 = 9,676.64/x
  3. Step 3: Cross multiply
    15,964.28x = 22,032.66 × 9,676.64
  4. Step 4: Simplify right side
    15,964.28x = 213,202,119.06
  5. Step 5: Solve for x
    x = 213,202,119.06/15,964.28
  6. Step 6: Final answer
    x = 13,354.95

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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.