Home / 19,823.84-27,354.39-10,868.99

Finding the Fourth Proportional to 19,823.84, 27,354.39 and 10,868.99

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Solution

The fourth proportional to 19,823.84, 27,354.39 and 10,868.99 is: 14,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.84 : 27,354.39 = 10,868.99 : x
  2. Step 2: Convert to fraction form
    19,823.84/27,354.39 = 10,868.99/x
  3. Step 3: Cross multiply
    19,823.84x = 27,354.39 × 10,868.99
  4. Step 4: Simplify right side
    19,823.84x = 297,314,591.37
  5. Step 5: Solve for x
    x = 297,314,591.37/19,823.84
  6. Step 6: Final answer
    x = 14,997.83

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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.