Home / 25,161.30-34,717.41-15,087.06

Finding the Fourth Proportional to 25,161.30, 34,717.41 and 15,087.06

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Solution

The fourth proportional to 25,161.30, 34,717.41 and 15,087.06 is: 20,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.30 : 34,717.41 = 15,087.06 : x
  2. Step 2: Convert to fraction form
    25,161.30/34,717.41 = 15,087.06/x
  3. Step 3: Cross multiply
    25,161.30x = 34,717.41 × 15,087.06
  4. Step 4: Simplify right side
    25,161.30x = 523,783,647.71
  5. Step 5: Solve for x
    x = 523,783,647.71/25,161.30
  6. Step 6: Final answer
    x = 20,817.03

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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.