Home / 18,226.62-25,151.31-11,152.08

Finding the Fourth Proportional to 18,226.62, 25,151.31 and 11,152.08

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Solution

The fourth proportional to 18,226.62, 25,151.31 and 11,152.08 is: 15,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.62 : 25,151.31 = 11,152.08 : x
  2. Step 2: Convert to fraction form
    18,226.62/25,151.31 = 11,152.08/x
  3. Step 3: Cross multiply
    18,226.62x = 25,151.31 × 11,152.08
  4. Step 4: Simplify right side
    18,226.62x = 280,489,421.22
  5. Step 5: Solve for x
    x = 280,489,421.22/18,226.62
  6. Step 6: Final answer
    x = 15,389.00

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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.