Home / 18,287.67-25,236.85-10,331.45

Finding the Fourth Proportional to 18,287.67, 25,236.85 and 10,331.45

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Solution

The fourth proportional to 18,287.67, 25,236.85 and 10,331.45 is: 14,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.67 : 25,236.85 = 10,331.45 : x
  2. Step 2: Convert to fraction form
    18,287.67/25,236.85 = 10,331.45/x
  3. Step 3: Cross multiply
    18,287.67x = 25,236.85 × 10,331.45
  4. Step 4: Simplify right side
    18,287.67x = 260,733,253.93
  5. Step 5: Solve for x
    x = 260,733,253.93/18,287.67
  6. Step 6: Final answer
    x = 14,257.32

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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.