Home / 19,270.05-28,864.68-12,246.45

Finding the Fourth Proportional to 19,270.05, 28,864.68 and 12,246.45

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Solution

The fourth proportional to 19,270.05, 28,864.68 and 12,246.45 is: 18,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.05 : 28,864.68 = 12,246.45 : x
  2. Step 2: Convert to fraction form
    19,270.05/28,864.68 = 12,246.45/x
  3. Step 3: Cross multiply
    19,270.05x = 28,864.68 × 12,246.45
  4. Step 4: Simplify right side
    19,270.05x = 353,489,860.39
  5. Step 5: Solve for x
    x = 353,489,860.39/19,270.05
  6. Step 6: Final answer
    x = 18,344.00

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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.