Home / 18,236.29-25,153.59-11,166.21

Finding the Fourth Proportional to 18,236.29, 25,153.59 and 11,166.21

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Solution

The fourth proportional to 18,236.29, 25,153.59 and 11,166.21 is: 15,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.29 : 25,153.59 = 11,166.21 : x
  2. Step 2: Convert to fraction form
    18,236.29/25,153.59 = 11,166.21/x
  3. Step 3: Cross multiply
    18,236.29x = 25,153.59 × 11,166.21
  4. Step 4: Simplify right side
    18,236.29x = 280,870,268.19
  5. Step 5: Solve for x
    x = 280,870,268.19/18,236.29
  6. Step 6: Final answer
    x = 15,401.72

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Half scale
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Double scale
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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.