Home / 18,305.41-25,282.20-12,326.70

Finding the Fourth Proportional to 18,305.41, 25,282.20 and 12,326.70

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Solution

The fourth proportional to 18,305.41, 25,282.20 and 12,326.70 is: 17,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.41 : 25,282.20 = 12,326.70 : x
  2. Step 2: Convert to fraction form
    18,305.41/25,282.20 = 12,326.70/x
  3. Step 3: Cross multiply
    18,305.41x = 25,282.20 × 12,326.70
  4. Step 4: Simplify right side
    18,305.41x = 311,646,094.74
  5. Step 5: Solve for x
    x = 311,646,094.74/18,305.41
  6. Step 6: Final answer
    x = 17,024.81

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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.