Home / 16,917.20-25,344.18-14,161.58

Finding the Fourth Proportional to 16,917.20, 25,344.18 and 14,161.58

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Solution

The fourth proportional to 16,917.20, 25,344.18 and 14,161.58 is: 21,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.20 : 25,344.18 = 14,161.58 : x
  2. Step 2: Convert to fraction form
    16,917.20/25,344.18 = 14,161.58/x
  3. Step 3: Cross multiply
    16,917.20x = 25,344.18 × 14,161.58
  4. Step 4: Simplify right side
    16,917.20x = 358,913,632.60
  5. Step 5: Solve for x
    x = 358,913,632.60/16,917.20
  6. Step 6: Final answer
    x = 21,215.90

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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.