Home / 18,231.10-25,158.44-10,272.84

Finding the Fourth Proportional to 18,231.10, 25,158.44 and 10,272.84

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Solution

The fourth proportional to 18,231.10, 25,158.44 and 10,272.84 is: 14,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.10 : 25,158.44 = 10,272.84 : x
  2. Step 2: Convert to fraction form
    18,231.10/25,158.44 = 10,272.84/x
  3. Step 3: Cross multiply
    18,231.10x = 25,158.44 × 10,272.84
  4. Step 4: Simplify right side
    18,231.10x = 258,448,628.77
  5. Step 5: Solve for x
    x = 258,448,628.77/18,231.10
  6. Step 6: Final answer
    x = 14,176.25

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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.