Home / 20,252.08-27,949.80-12,292.48

Finding the Fourth Proportional to 20,252.08, 27,949.80 and 12,292.48

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Solution

The fourth proportional to 20,252.08, 27,949.80 and 12,292.48 is: 16,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.08 : 27,949.80 = 12,292.48 : x
  2. Step 2: Convert to fraction form
    20,252.08/27,949.80 = 12,292.48/x
  3. Step 3: Cross multiply
    20,252.08x = 27,949.80 × 12,292.48
  4. Step 4: Simplify right side
    20,252.08x = 343,572,357.50
  5. Step 5: Solve for x
    x = 343,572,357.50/20,252.08
  6. Step 6: Final answer
    x = 16,964.79

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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.