Home / 17,728.74-26,595.54-5,249.79

Finding the Fourth Proportional to 17,728.74, 26,595.54 and 5,249.79

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Solution

The fourth proportional to 17,728.74, 26,595.54 and 5,249.79 is: 7,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728.74 : 26,595.54 = 5,249.79 : x
  2. Step 2: Convert to fraction form
    17,728.74/26,595.54 = 5,249.79/x
  3. Step 3: Cross multiply
    17,728.74x = 26,595.54 × 5,249.79
  4. Step 4: Simplify right side
    17,728.74x = 139,620,999.94
  5. Step 5: Solve for x
    x = 139,620,999.94/17,728.74
  6. Step 6: Final answer
    x = 7,875.40

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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.