Home / 13,204.73-18,222.95-7,236.76

Finding the Fourth Proportional to 13,204.73, 18,222.95 and 7,236.76

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Solution

The fourth proportional to 13,204.73, 18,222.95 and 7,236.76 is: 9,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.73 : 18,222.95 = 7,236.76 : x
  2. Step 2: Convert to fraction form
    13,204.73/18,222.95 = 7,236.76/x
  3. Step 3: Cross multiply
    13,204.73x = 18,222.95 × 7,236.76
  4. Step 4: Simplify right side
    13,204.73x = 131,875,161.20
  5. Step 5: Solve for x
    x = 131,875,161.20/13,204.73
  6. Step 6: Final answer
    x = 9,986.96

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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.