Home / 18,153.40-27,204.14-10,346.12

Finding the Fourth Proportional to 18,153.40, 27,204.14 and 10,346.12

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Solution

The fourth proportional to 18,153.40, 27,204.14 and 10,346.12 is: 15,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.40 : 27,204.14 = 10,346.12 : x
  2. Step 2: Convert to fraction form
    18,153.40/27,204.14 = 10,346.12/x
  3. Step 3: Cross multiply
    18,153.40x = 27,204.14 × 10,346.12
  4. Step 4: Simplify right side
    18,153.40x = 281,457,296.94
  5. Step 5: Solve for x
    x = 281,457,296.94/18,153.40
  6. Step 6: Final answer
    x = 15,504.38

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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.