Home / 23,990.21-36,016.51-18,447.45

Finding the Fourth Proportional to 23,990.21, 36,016.51 and 18,447.45

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Solution

The fourth proportional to 23,990.21, 36,016.51 and 18,447.45 is: 27,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.21 : 36,016.51 = 18,447.45 : x
  2. Step 2: Convert to fraction form
    23,990.21/36,016.51 = 18,447.45/x
  3. Step 3: Cross multiply
    23,990.21x = 36,016.51 × 18,447.45
  4. Step 4: Simplify right side
    23,990.21x = 664,412,721.28
  5. Step 5: Solve for x
    x = 664,412,721.28/23,990.21
  6. Step 6: Final answer
    x = 27,695.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.