Home / 20,252.52-27,954.72-12,298.32

Finding the Fourth Proportional to 20,252.52, 27,954.72 and 12,298.32

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Solution

The fourth proportional to 20,252.52, 27,954.72 and 12,298.32 is: 16,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.52 : 27,954.72 = 12,298.32 : x
  2. Step 2: Convert to fraction form
    20,252.52/27,954.72 = 12,298.32/x
  3. Step 3: Cross multiply
    20,252.52x = 27,954.72 × 12,298.32
  4. Step 4: Simplify right side
    20,252.52x = 343,796,092.07
  5. Step 5: Solve for x
    x = 343,796,092.07/20,252.52
  6. Step 6: Final answer
    x = 16,975.47

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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.