Home / 17,701.20-26,556.36-5,220.72

Finding the Fourth Proportional to 17,701.20, 26,556.36 and 5,220.72

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Solution

The fourth proportional to 17,701.20, 26,556.36 and 5,220.72 is: 7,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.20 : 26,556.36 = 5,220.72 : x
  2. Step 2: Convert to fraction form
    17,701.20/26,556.36 = 5,220.72/x
  3. Step 3: Cross multiply
    17,701.20x = 26,556.36 × 5,220.72
  4. Step 4: Simplify right side
    17,701.20x = 138,643,319.78
  5. Step 5: Solve for x
    x = 138,643,319.78/17,701.20
  6. Step 6: Final answer
    x = 7,832.42

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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.