Home / 19,731.04-27,173.54-19,669.56

Finding the Fourth Proportional to 19,731.04, 27,173.54 and 19,669.56

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Solution

The fourth proportional to 19,731.04, 27,173.54 and 19,669.56 is: 27,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.04 : 27,173.54 = 19,669.56 : x
  2. Step 2: Convert to fraction form
    19,731.04/27,173.54 = 19,669.56/x
  3. Step 3: Cross multiply
    19,731.04x = 27,173.54 × 19,669.56
  4. Step 4: Simplify right side
    19,731.04x = 534,491,575.44
  5. Step 5: Solve for x
    x = 534,491,575.44/19,731.04
  6. Step 6: Final answer
    x = 27,088.87

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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.