Home / 19,556.32-26,988.24-11,175.52

Finding the Fourth Proportional to 19,556.32, 26,988.24 and 11,175.52

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Solution

The fourth proportional to 19,556.32, 26,988.24 and 11,175.52 is: 15,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.32 : 26,988.24 = 11,175.52 : x
  2. Step 2: Convert to fraction form
    19,556.32/26,988.24 = 11,175.52/x
  3. Step 3: Cross multiply
    19,556.32x = 26,988.24 × 11,175.52
  4. Step 4: Simplify right side
    19,556.32x = 301,607,615.88
  5. Step 5: Solve for x
    x = 301,607,615.88/19,556.32
  6. Step 6: Final answer
    x = 15,422.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.