Home / 17,187.40-25,781.08-4,707.52

Finding the Fourth Proportional to 17,187.40, 25,781.08 and 4,707.52

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Solution

The fourth proportional to 17,187.40, 25,781.08 and 4,707.52 is: 7,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.40 : 25,781.08 = 4,707.52 : x
  2. Step 2: Convert to fraction form
    17,187.40/25,781.08 = 4,707.52/x
  3. Step 3: Cross multiply
    17,187.40x = 25,781.08 × 4,707.52
  4. Step 4: Simplify right side
    17,187.40x = 121,364,949.72
  5. Step 5: Solve for x
    x = 121,364,949.72/17,187.40
  6. Step 6: Final answer
    x = 7,061.27

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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.