Home / 27,669.82-38,138.82-19,606.18

Finding the Fourth Proportional to 27,669.82, 38,138.82 and 19,606.18

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Solution

The fourth proportional to 27,669.82, 38,138.82 and 19,606.18 is: 27,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.82 : 38,138.82 = 19,606.18 : x
  2. Step 2: Convert to fraction form
    27,669.82/38,138.82 = 19,606.18/x
  3. Step 3: Cross multiply
    27,669.82x = 38,138.82 × 19,606.18
  4. Step 4: Simplify right side
    27,669.82x = 747,756,569.91
  5. Step 5: Solve for x
    x = 747,756,569.91/27,669.82
  6. Step 6: Final answer
    x = 27,024.27

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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.