Home / 17,618.40-24,313.38-9,660.76

Finding the Fourth Proportional to 17,618.40, 24,313.38 and 9,660.76

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Solution

The fourth proportional to 17,618.40, 24,313.38 and 9,660.76 is: 13,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.40 : 24,313.38 = 9,660.76 : x
  2. Step 2: Convert to fraction form
    17,618.40/24,313.38 = 9,660.76/x
  3. Step 3: Cross multiply
    17,618.40x = 24,313.38 × 9,660.76
  4. Step 4: Simplify right side
    17,618.40x = 234,885,728.97
  5. Step 5: Solve for x
    x = 234,885,728.97/17,618.40
  6. Step 6: Final answer
    x = 13,331.84

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Half scale
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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.