Home / 19,696.13-27,178.22-12,043.25

Finding the Fourth Proportional to 19,696.13, 27,178.22 and 12,043.25

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Solution

The fourth proportional to 19,696.13, 27,178.22 and 12,043.25 is: 16,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.13 : 27,178.22 = 12,043.25 : x
  2. Step 2: Convert to fraction form
    19,696.13/27,178.22 = 12,043.25/x
  3. Step 3: Cross multiply
    19,696.13x = 27,178.22 × 12,043.25
  4. Step 4: Simplify right side
    19,696.13x = 327,313,901.91
  5. Step 5: Solve for x
    x = 327,313,901.91/19,696.13
  6. Step 6: Final answer
    x = 16,618.19

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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.