Home / 20,625.92-28,463.79-11,194.48

Finding the Fourth Proportional to 20,625.92, 28,463.79 and 11,194.48

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Solution

The fourth proportional to 20,625.92, 28,463.79 and 11,194.48 is: 15,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.92 : 28,463.79 = 11,194.48 : x
  2. Step 2: Convert to fraction form
    20,625.92/28,463.79 = 11,194.48/x
  3. Step 3: Cross multiply
    20,625.92x = 28,463.79 × 11,194.48
  4. Step 4: Simplify right side
    20,625.92x = 318,637,271.91
  5. Step 5: Solve for x
    x = 318,637,271.91/20,625.92
  6. Step 6: Final answer
    x = 15,448.39

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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.