Home / 17,152.09-25,686.61-11,872.31

Finding the Fourth Proportional to 17,152.09, 25,686.61 and 11,872.31

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Solution

The fourth proportional to 17,152.09, 25,686.61 and 11,872.31 is: 17,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152.09 : 25,686.61 = 11,872.31 : x
  2. Step 2: Convert to fraction form
    17,152.09/25,686.61 = 11,872.31/x
  3. Step 3: Cross multiply
    17,152.09x = 25,686.61 × 11,872.31
  4. Step 4: Simplify right side
    17,152.09x = 304,959,238.66
  5. Step 5: Solve for x
    x = 304,959,238.66/17,152.09
  6. Step 6: Final answer
    x = 17,779.72

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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.