Home / 18,340.93-25,310.28-10,383.09

Finding the Fourth Proportional to 18,340.93, 25,310.28 and 10,383.09

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Solution

The fourth proportional to 18,340.93, 25,310.28 and 10,383.09 is: 14,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.93 : 25,310.28 = 10,383.09 : x
  2. Step 2: Convert to fraction form
    18,340.93/25,310.28 = 10,383.09/x
  3. Step 3: Cross multiply
    18,340.93x = 25,310.28 × 10,383.09
  4. Step 4: Simplify right side
    18,340.93x = 262,798,915.17
  5. Step 5: Solve for x
    x = 262,798,915.17/18,340.93
  6. Step 6: Final answer
    x = 14,328.55

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Half scale
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Double scale
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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.