Home / 19,694.48-27,173.54-12,630.47

Finding the Fourth Proportional to 19,694.48, 27,173.54 and 12,630.47

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Solution

The fourth proportional to 19,694.48, 27,173.54 and 12,630.47 is: 17,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.48 : 27,173.54 = 12,630.47 : x
  2. Step 2: Convert to fraction form
    19,694.48/27,173.54 = 12,630.47/x
  3. Step 3: Cross multiply
    19,694.48x = 27,173.54 × 12,630.47
  4. Step 4: Simplify right side
    19,694.48x = 343,214,382.74
  5. Step 5: Solve for x
    x = 343,214,382.74/19,694.48
  6. Step 6: Final answer
    x = 17,426.94

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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.