Home / 17,009.56-25,518.65-12,021.74

Finding the Fourth Proportional to 17,009.56, 25,518.65 and 12,021.74

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Solution

The fourth proportional to 17,009.56, 25,518.65 and 12,021.74 is: 18,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.56 : 25,518.65 = 12,021.74 : x
  2. Step 2: Convert to fraction form
    17,009.56/25,518.65 = 12,021.74/x
  3. Step 3: Cross multiply
    17,009.56x = 25,518.65 × 12,021.74
  4. Step 4: Simplify right side
    17,009.56x = 306,778,694.61
  5. Step 5: Solve for x
    x = 306,778,694.61/17,009.56
  6. Step 6: Final answer
    x = 18,035.66

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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.