Home / 18,226.86-25,153.16-10,269.21

Finding the Fourth Proportional to 18,226.86, 25,153.16 and 10,269.21

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Solution

The fourth proportional to 18,226.86, 25,153.16 and 10,269.21 is: 14,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.86 : 25,153.16 = 10,269.21 : x
  2. Step 2: Convert to fraction form
    18,226.86/25,153.16 = 10,269.21/x
  3. Step 3: Cross multiply
    18,226.86x = 25,153.16 × 10,269.21
  4. Step 4: Simplify right side
    18,226.86x = 258,303,030.86
  5. Step 5: Solve for x
    x = 258,303,030.86/18,226.86
  6. Step 6: Final answer
    x = 14,171.56

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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.