Home / 13,450.05-20,148.35-10,514.61

Finding the Fourth Proportional to 13,450.05, 20,148.35 and 10,514.61

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Solution

The fourth proportional to 13,450.05, 20,148.35 and 10,514.61 is: 15,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.05 : 20,148.35 = 10,514.61 : x
  2. Step 2: Convert to fraction form
    13,450.05/20,148.35 = 10,514.61/x
  3. Step 3: Cross multiply
    13,450.05x = 20,148.35 × 10,514.61
  4. Step 4: Simplify right side
    13,450.05x = 211,851,989.82
  5. Step 5: Solve for x
    x = 211,851,989.82/13,450.05
  6. Step 6: Final answer
    x = 15,751.02

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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.