Home / 18,223.12-25,148.42-10,266.09

Finding the Fourth Proportional to 18,223.12, 25,148.42 and 10,266.09

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Solution

The fourth proportional to 18,223.12, 25,148.42 and 10,266.09 is: 14,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.12 : 25,148.42 = 10,266.09 : x
  2. Step 2: Convert to fraction form
    18,223.12/25,148.42 = 10,266.09/x
  3. Step 3: Cross multiply
    18,223.12x = 25,148.42 × 10,266.09
  4. Step 4: Simplify right side
    18,223.12x = 258,175,943.08
  5. Step 5: Solve for x
    x = 258,175,943.08/18,223.12
  6. Step 6: Final answer
    x = 14,167.49

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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.