Home / 27,160.98-37,412.04-19,189.36

Finding the Fourth Proportional to 27,160.98, 37,412.04 and 19,189.36

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Solution

The fourth proportional to 27,160.98, 37,412.04 and 19,189.36 is: 26,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.98 : 37,412.04 = 19,189.36 : x
  2. Step 2: Convert to fraction form
    27,160.98/37,412.04 = 19,189.36/x
  3. Step 3: Cross multiply
    27,160.98x = 37,412.04 × 19,189.36
  4. Step 4: Simplify right side
    27,160.98x = 717,913,103.89
  5. Step 5: Solve for x
    x = 717,913,103.89/27,160.98
  6. Step 6: Final answer
    x = 26,431.78

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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.