Home / 19,948.05-27,497.03-13,649.49

Finding the Fourth Proportional to 19,948.05, 27,497.03 and 13,649.49

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Solution

The fourth proportional to 19,948.05, 27,497.03 and 13,649.49 is: 18,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.05 : 27,497.03 = 13,649.49 : x
  2. Step 2: Convert to fraction form
    19,948.05/27,497.03 = 13,649.49/x
  3. Step 3: Cross multiply
    19,948.05x = 27,497.03 × 13,649.49
  4. Step 4: Simplify right side
    19,948.05x = 375,320,367.77
  5. Step 5: Solve for x
    x = 375,320,367.77/19,948.05
  6. Step 6: Final answer
    x = 18,814.89

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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.