Home / 19,553.76-26,974.29-12,371.63

Finding the Fourth Proportional to 19,553.76, 26,974.29 and 12,371.63

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Solution

The fourth proportional to 19,553.76, 26,974.29 and 12,371.63 is: 17,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.76 : 26,974.29 = 12,371.63 : x
  2. Step 2: Convert to fraction form
    19,553.76/26,974.29 = 12,371.63/x
  3. Step 3: Cross multiply
    19,553.76x = 26,974.29 × 12,371.63
  4. Step 4: Simplify right side
    19,553.76x = 333,715,935.39
  5. Step 5: Solve for x
    x = 333,715,935.39/19,553.76
  6. Step 6: Final answer
    x = 17,066.59

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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.