Home / 18,226.89-25,151.31-10,270.53

Finding the Fourth Proportional to 18,226.89, 25,151.31 and 10,270.53

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Solution

The fourth proportional to 18,226.89, 25,151.31 and 10,270.53 is: 14,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.89 : 25,151.31 = 10,270.53 : x
  2. Step 2: Convert to fraction form
    18,226.89/25,151.31 = 10,270.53/x
  3. Step 3: Cross multiply
    18,226.89x = 25,151.31 × 10,270.53
  4. Step 4: Simplify right side
    18,226.89x = 258,317,283.89
  5. Step 5: Solve for x
    x = 258,317,283.89/18,226.89
  6. Step 6: Final answer
    x = 14,172.32

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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.