Home / 17,486.66-26,203.80-7,620.59

Finding the Fourth Proportional to 17,486.66, 26,203.80 and 7,620.59

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Solution

The fourth proportional to 17,486.66, 26,203.80 and 7,620.59 is: 11,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.66 : 26,203.80 = 7,620.59 : x
  2. Step 2: Convert to fraction form
    17,486.66/26,203.80 = 7,620.59/x
  3. Step 3: Cross multiply
    17,486.66x = 26,203.80 × 7,620.59
  4. Step 4: Simplify right side
    17,486.66x = 199,688,416.24
  5. Step 5: Solve for x
    x = 199,688,416.24/17,486.66
  6. Step 6: Final answer
    x = 11,419.47

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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.