Home / 14,826.64-20,460.69-8,112.15

Finding the Fourth Proportional to 14,826.64, 20,460.69 and 8,112.15

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Solution

The fourth proportional to 14,826.64, 20,460.69 and 8,112.15 is: 11,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.64 : 20,460.69 = 8,112.15 : x
  2. Step 2: Convert to fraction form
    14,826.64/20,460.69 = 8,112.15/x
  3. Step 3: Cross multiply
    14,826.64x = 20,460.69 × 8,112.15
  4. Step 4: Simplify right side
    14,826.64x = 165,980,186.38
  5. Step 5: Solve for x
    x = 165,980,186.38/14,826.64
  6. Step 6: Final answer
    x = 11,194.73

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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.