Home / 19,352.36-28,989.66-11,556.92

Finding the Fourth Proportional to 19,352.36, 28,989.66 and 11,556.92

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Solution

The fourth proportional to 19,352.36, 28,989.66 and 11,556.92 is: 17,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.36 : 28,989.66 = 11,556.92 : x
  2. Step 2: Convert to fraction form
    19,352.36/28,989.66 = 11,556.92/x
  3. Step 3: Cross multiply
    19,352.36x = 28,989.66 × 11,556.92
  4. Step 4: Simplify right side
    19,352.36x = 335,031,181.45
  5. Step 5: Solve for x
    x = 335,031,181.45/19,352.36
  6. Step 6: Final answer
    x = 17,312.16

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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.