Home / 17,691.86-26,533.53-5,208.49

Finding the Fourth Proportional to 17,691.86, 26,533.53 and 5,208.49

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Solution

The fourth proportional to 17,691.86, 26,533.53 and 5,208.49 is: 7,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.86 : 26,533.53 = 5,208.49 : x
  2. Step 2: Convert to fraction form
    17,691.86/26,533.53 = 5,208.49/x
  3. Step 3: Cross multiply
    17,691.86x = 26,533.53 × 5,208.49
  4. Step 4: Simplify right side
    17,691.86x = 138,199,559.34
  5. Step 5: Solve for x
    x = 138,199,559.34/17,691.86
  6. Step 6: Final answer
    x = 7,811.48

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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.