Home / 14,910.15-20,574.24-8,194.68

Finding the Fourth Proportional to 14,910.15, 20,574.24 and 8,194.68

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Solution

The fourth proportional to 14,910.15, 20,574.24 and 8,194.68 is: 11,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.15 : 20,574.24 = 8,194.68 : x
  2. Step 2: Convert to fraction form
    14,910.15/20,574.24 = 8,194.68/x
  3. Step 3: Cross multiply
    14,910.15x = 20,574.24 × 8,194.68
  4. Step 4: Simplify right side
    14,910.15x = 168,599,313.04
  5. Step 5: Solve for x
    x = 168,599,313.04/14,910.15
  6. Step 6: Final answer
    x = 11,307.69

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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.