Home / 14,624.49-20,181.73-7,910.12

Finding the Fourth Proportional to 14,624.49, 20,181.73 and 7,910.12

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Solution

The fourth proportional to 14,624.49, 20,181.73 and 7,910.12 is: 10,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.49 : 20,181.73 = 7,910.12 : x
  2. Step 2: Convert to fraction form
    14,624.49/20,181.73 = 7,910.12/x
  3. Step 3: Cross multiply
    14,624.49x = 20,181.73 × 7,910.12
  4. Step 4: Simplify right side
    14,624.49x = 159,639,906.11
  5. Step 5: Solve for x
    x = 159,639,906.11/14,624.49
  6. Step 6: Final answer
    x = 10,915.93

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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.