Home / 19,279.49-26,595.41-11,728.13

Finding the Fourth Proportional to 19,279.49, 26,595.41 and 11,728.13

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Solution

The fourth proportional to 19,279.49, 26,595.41 and 11,728.13 is: 16,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.49 : 26,595.41 = 11,728.13 : x
  2. Step 2: Convert to fraction form
    19,279.49/26,595.41 = 11,728.13/x
  3. Step 3: Cross multiply
    19,279.49x = 26,595.41 × 11,728.13
  4. Step 4: Simplify right side
    19,279.49x = 311,914,425.88
  5. Step 5: Solve for x
    x = 311,914,425.88/19,279.49
  6. Step 6: Final answer
    x = 16,178.56

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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.