Home / 14,852.43-20,495.34-8,722.15

Finding the Fourth Proportional to 14,852.43, 20,495.34 and 8,722.15

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Solution

The fourth proportional to 14,852.43, 20,495.34 and 8,722.15 is: 12,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.43 : 20,495.34 = 8,722.15 : x
  2. Step 2: Convert to fraction form
    14,852.43/20,495.34 = 8,722.15/x
  3. Step 3: Cross multiply
    14,852.43x = 20,495.34 × 8,722.15
  4. Step 4: Simplify right side
    14,852.43x = 178,763,429.78
  5. Step 5: Solve for x
    x = 178,763,429.78/14,852.43
  6. Step 6: Final answer
    x = 12,035.97

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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.