Home / 17,031.36-25,556.88-7,169.76

Finding the Fourth Proportional to 17,031.36, 25,556.88 and 7,169.76

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Solution

The fourth proportional to 17,031.36, 25,556.88 and 7,169.76 is: 10,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.36 : 25,556.88 = 7,169.76 : x
  2. Step 2: Convert to fraction form
    17,031.36/25,556.88 = 7,169.76/x
  3. Step 3: Cross multiply
    17,031.36x = 25,556.88 × 7,169.76
  4. Step 4: Simplify right side
    17,031.36x = 183,236,695.95
  5. Step 5: Solve for x
    x = 183,236,695.95/17,031.36
  6. Step 6: Final answer
    x = 10,758.78

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1.5x scale

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.