Home / 17,990.96-24,866.93-15,850.13

Finding the Fourth Proportional to 17,990.96, 24,866.93 and 15,850.13

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Solution

The fourth proportional to 17,990.96, 24,866.93 and 15,850.13 is: 21,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.96 : 24,866.93 = 15,850.13 : x
  2. Step 2: Convert to fraction form
    17,990.96/24,866.93 = 15,850.13/x
  3. Step 3: Cross multiply
    17,990.96x = 24,866.93 × 15,850.13
  4. Step 4: Simplify right side
    17,990.96x = 394,143,988.49
  5. Step 5: Solve for x
    x = 394,143,988.49/17,990.96
  6. Step 6: Final answer
    x = 21,907.90

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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.