Home / 17,129.40-25,697.76-7,273.32

Finding the Fourth Proportional to 17,129.40, 25,697.76 and 7,273.32

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Solution

The fourth proportional to 17,129.40, 25,697.76 and 7,273.32 is: 10,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.40 : 25,697.76 = 7,273.32 : x
  2. Step 2: Convert to fraction form
    17,129.40/25,697.76 = 7,273.32/x
  3. Step 3: Cross multiply
    17,129.40x = 25,697.76 × 7,273.32
  4. Step 4: Simplify right side
    17,129.40x = 186,908,031.76
  5. Step 5: Solve for x
    x = 186,908,031.76/17,129.40
  6. Step 6: Final answer
    x = 10,911.53

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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.