Home / 17,608.14-26,416.55-5,128.28

Finding the Fourth Proportional to 17,608.14, 26,416.55 and 5,128.28

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Solution

The fourth proportional to 17,608.14, 26,416.55 and 5,128.28 is: 7,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.14 : 26,416.55 = 5,128.28 : x
  2. Step 2: Convert to fraction form
    17,608.14/26,416.55 = 5,128.28/x
  3. Step 3: Cross multiply
    17,608.14x = 26,416.55 × 5,128.28
  4. Step 4: Simplify right side
    17,608.14x = 135,471,564.58
  5. Step 5: Solve for x
    x = 135,471,564.58/17,608.14
  6. Step 6: Final answer
    x = 7,693.69

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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.