Home / 14,961.07-20,646.17-8,246.70

Finding the Fourth Proportional to 14,961.07, 20,646.17 and 8,246.70

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Solution

The fourth proportional to 14,961.07, 20,646.17 and 8,246.70 is: 11,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.07 : 20,646.17 = 8,246.70 : x
  2. Step 2: Convert to fraction form
    14,961.07/20,646.17 = 8,246.70/x
  3. Step 3: Cross multiply
    14,961.07x = 20,646.17 × 8,246.70
  4. Step 4: Simplify right side
    14,961.07x = 170,262,749.52
  5. Step 5: Solve for x
    x = 170,262,749.52/14,961.07
  6. Step 6: Final answer
    x = 11,380.39

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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.