Home / 17,129.84-25,707.72-7,902.32

Finding the Fourth Proportional to 17,129.84, 25,707.72 and 7,902.32

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Solution

The fourth proportional to 17,129.84, 25,707.72 and 7,902.32 is: 11,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.84 : 25,707.72 = 7,902.32 : x
  2. Step 2: Convert to fraction form
    17,129.84/25,707.72 = 7,902.32/x
  3. Step 3: Cross multiply
    17,129.84x = 25,707.72 × 7,902.32
  4. Step 4: Simplify right side
    17,129.84x = 203,150,629.91
  5. Step 5: Solve for x
    x = 203,150,629.91/17,129.84
  6. Step 6: Final answer
    x = 11,859.46

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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.