Home / 18,341.44-25,301.52-11,615.20

Finding the Fourth Proportional to 18,341.44, 25,301.52 and 11,615.20

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Solution

The fourth proportional to 18,341.44, 25,301.52 and 11,615.20 is: 16,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.44 : 25,301.52 = 11,615.20 : x
  2. Step 2: Convert to fraction form
    18,341.44/25,301.52 = 11,615.20/x
  3. Step 3: Cross multiply
    18,341.44x = 25,301.52 × 11,615.20
  4. Step 4: Simplify right side
    18,341.44x = 293,882,215.10
  5. Step 5: Solve for x
    x = 293,882,215.10/18,341.44
  6. Step 6: Final answer
    x = 16,022.85

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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.