Home / 34,081.90-51,125.58-11,894.78

Finding the Fourth Proportional to 34,081.90, 51,125.58 and 11,894.78

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Solution

The fourth proportional to 34,081.90, 51,125.58 and 11,894.78 is: 17,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.90 : 51,125.58 = 11,894.78 : x
  2. Step 2: Convert to fraction form
    34,081.90/51,125.58 = 11,894.78/x
  3. Step 3: Cross multiply
    34,081.90x = 51,125.58 × 11,894.78
  4. Step 4: Simplify right side
    34,081.90x = 608,127,654.29
  5. Step 5: Solve for x
    x = 608,127,654.29/34,081.90
  6. Step 6: Final answer
    x = 17,843.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.