Home / 18,455.82-25,469.02-10,072.32

Finding the Fourth Proportional to 18,455.82, 25,469.02 and 10,072.32

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Solution

The fourth proportional to 18,455.82, 25,469.02 and 10,072.32 is: 13,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.82 : 25,469.02 = 10,072.32 : x
  2. Step 2: Convert to fraction form
    18,455.82/25,469.02 = 10,072.32/x
  3. Step 3: Cross multiply
    18,455.82x = 25,469.02 × 10,072.32
  4. Step 4: Simplify right side
    18,455.82x = 256,532,119.53
  5. Step 5: Solve for x
    x = 256,532,119.53/18,455.82
  6. Step 6: Final answer
    x = 13,899.80

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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.