Home / 25,883.71-35,717.04-15,131.09

Finding the Fourth Proportional to 25,883.71, 35,717.04 and 15,131.09

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Solution

The fourth proportional to 25,883.71, 35,717.04 and 15,131.09 is: 20,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.71 : 35,717.04 = 15,131.09 : x
  2. Step 2: Convert to fraction form
    25,883.71/35,717.04 = 15,131.09/x
  3. Step 3: Cross multiply
    25,883.71x = 35,717.04 × 15,131.09
  4. Step 4: Simplify right side
    25,883.71x = 540,437,836.07
  5. Step 5: Solve for x
    x = 540,437,836.07/25,883.71
  6. Step 6: Final answer
    x = 20,879.46

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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.