Home / 14,635.68-20,170.80-10,650.48

Finding the Fourth Proportional to 14,635.68, 20,170.80 and 10,650.48

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Solution

The fourth proportional to 14,635.68, 20,170.80 and 10,650.48 is: 14,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.68 : 20,170.80 = 10,650.48 : x
  2. Step 2: Convert to fraction form
    14,635.68/20,170.80 = 10,650.48/x
  3. Step 3: Cross multiply
    14,635.68x = 20,170.80 × 10,650.48
  4. Step 4: Simplify right side
    14,635.68x = 214,828,701.98
  5. Step 5: Solve for x
    x = 214,828,701.98/14,635.68
  6. Step 6: Final answer
    x = 14,678.42

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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.