Home / 14,953.87-20,636.22-8,239.33

Finding the Fourth Proportional to 14,953.87, 20,636.22 and 8,239.33

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Solution

The fourth proportional to 14,953.87, 20,636.22 and 8,239.33 is: 11,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.87 : 20,636.22 = 8,239.33 : x
  2. Step 2: Convert to fraction form
    14,953.87/20,636.22 = 8,239.33/x
  3. Step 3: Cross multiply
    14,953.87x = 20,636.22 × 8,239.33
  4. Step 4: Simplify right side
    14,953.87x = 170,028,523.35
  5. Step 5: Solve for x
    x = 170,028,523.35/14,953.87
  6. Step 6: Final answer
    x = 11,370.21

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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.