Home / 17,130.57-25,705.58-6,749.61

Finding the Fourth Proportional to 17,130.57, 25,705.58 and 6,749.61

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Solution

The fourth proportional to 17,130.57, 25,705.58 and 6,749.61 is: 10,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.57 : 25,705.58 = 6,749.61 : x
  2. Step 2: Convert to fraction form
    17,130.57/25,705.58 = 6,749.61/x
  3. Step 3: Cross multiply
    17,130.57x = 25,705.58 × 6,749.61
  4. Step 4: Simplify right side
    17,130.57x = 173,502,606.08
  5. Step 5: Solve for x
    x = 173,502,606.08/17,130.57
  6. Step 6: Final answer
    x = 10,128.24

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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.