Home / 18,841.28-25,998.08-11,285.84

Finding the Fourth Proportional to 18,841.28, 25,998.08 and 11,285.84

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Solution

The fourth proportional to 18,841.28, 25,998.08 and 11,285.84 is: 15,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.28 : 25,998.08 = 11,285.84 : x
  2. Step 2: Convert to fraction form
    18,841.28/25,998.08 = 11,285.84/x
  3. Step 3: Cross multiply
    18,841.28x = 25,998.08 × 11,285.84
  4. Step 4: Simplify right side
    18,841.28x = 293,410,171.19
  5. Step 5: Solve for x
    x = 293,410,171.19/18,841.28
  6. Step 6: Final answer
    x = 15,572.73

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Half scale
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Double scale
Find fourth proportional to 18,842.28, 25,999.46 and 11,286.84
Similar ratio
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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.