Home / 12,923.96-19,376.42-5,523.80

Finding the Fourth Proportional to 12,923.96, 19,376.42 and 5,523.80

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Solution

The fourth proportional to 12,923.96, 19,376.42 and 5,523.80 is: 8,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.96 : 19,376.42 = 5,523.80 : x
  2. Step 2: Convert to fraction form
    12,923.96/19,376.42 = 5,523.80/x
  3. Step 3: Cross multiply
    12,923.96x = 19,376.42 × 5,523.80
  4. Step 4: Simplify right side
    12,923.96x = 107,031,344.29
  5. Step 5: Solve for x
    x = 107,031,344.29/12,923.96
  6. Step 6: Final answer
    x = 8,281.62

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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.