Home / 18,705.35-25,808.00-11,532.84

Finding the Fourth Proportional to 18,705.35, 25,808.00 and 11,532.84

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Solution

The fourth proportional to 18,705.35, 25,808.00 and 11,532.84 is: 15,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.35 : 25,808.00 = 11,532.84 : x
  2. Step 2: Convert to fraction form
    18,705.35/25,808.00 = 11,532.84/x
  3. Step 3: Cross multiply
    18,705.35x = 25,808.00 × 11,532.84
  4. Step 4: Simplify right side
    18,705.35x = 297,639,477.06
  5. Step 5: Solve for x
    x = 297,639,477.06/18,705.35
  6. Step 6: Final answer
    x = 15,912.00

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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.