Home / 18,226.32-25,153.41-11,154.12

Finding the Fourth Proportional to 18,226.32, 25,153.41 and 11,154.12

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Solution

The fourth proportional to 18,226.32, 25,153.41 and 11,154.12 is: 15,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.32 : 25,153.41 = 11,154.12 : x
  2. Step 2: Convert to fraction form
    18,226.32/25,153.41 = 11,154.12/x
  3. Step 3: Cross multiply
    18,226.32x = 25,153.41 × 11,154.12
  4. Step 4: Simplify right side
    18,226.32x = 280,564,153.55
  5. Step 5: Solve for x
    x = 280,564,153.55/18,226.32
  6. Step 6: Final answer
    x = 15,393.35

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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.