Home / 19,044.99-28,574.99-13,786.61

Finding the Fourth Proportional to 19,044.99, 28,574.99 and 13,786.61

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Solution

The fourth proportional to 19,044.99, 28,574.99 and 13,786.61 is: 20,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,044.99 : 28,574.99 = 13,786.61 : x
  2. Step 2: Convert to fraction form
    19,044.99/28,574.99 = 13,786.61/x
  3. Step 3: Cross multiply
    19,044.99x = 28,574.99 × 13,786.61
  4. Step 4: Simplify right side
    19,044.99x = 393,952,242.88
  5. Step 5: Solve for x
    x = 393,952,242.88/19,044.99
  6. Step 6: Final answer
    x = 20,685.35

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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.