Home / 18,383.84-25,369.68-10,000.32

Finding the Fourth Proportional to 18,383.84, 25,369.68 and 10,000.32

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Solution

The fourth proportional to 18,383.84, 25,369.68 and 10,000.32 is: 13,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.84 : 25,369.68 = 10,000.32 : x
  2. Step 2: Convert to fraction form
    18,383.84/25,369.68 = 10,000.32/x
  3. Step 3: Cross multiply
    18,383.84x = 25,369.68 × 10,000.32
  4. Step 4: Simplify right side
    18,383.84x = 253,704,918.30
  5. Step 5: Solve for x
    x = 253,704,918.30/18,383.84
  6. Step 6: Final answer
    x = 13,800.43

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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.