Home / 18,328.50-27,492.75-6,641.73

Finding the Fourth Proportional to 18,328.50, 27,492.75 and 6,641.73

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Solution

The fourth proportional to 18,328.50, 27,492.75 and 6,641.73 is: 9,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.50 : 27,492.75 = 6,641.73 : x
  2. Step 2: Convert to fraction form
    18,328.50/27,492.75 = 6,641.73/x
  3. Step 3: Cross multiply
    18,328.50x = 27,492.75 × 6,641.73
  4. Step 4: Simplify right side
    18,328.50x = 182,599,422.46
  5. Step 5: Solve for x
    x = 182,599,422.46/18,328.50
  6. Step 6: Final answer
    x = 9,962.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.