Home / 17,982.84-24,815.25-10,428.66

Finding the Fourth Proportional to 17,982.84, 24,815.25 and 10,428.66

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Solution

The fourth proportional to 17,982.84, 24,815.25 and 10,428.66 is: 14,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.84 : 24,815.25 = 10,428.66 : x
  2. Step 2: Convert to fraction form
    17,982.84/24,815.25 = 10,428.66/x
  3. Step 3: Cross multiply
    17,982.84x = 24,815.25 × 10,428.66
  4. Step 4: Simplify right side
    17,982.84x = 258,789,805.07
  5. Step 5: Solve for x
    x = 258,789,805.07/17,982.84
  6. Step 6: Final answer
    x = 14,390.93

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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.