Home / 14,861.33-20,508.54-8,147.24

Finding the Fourth Proportional to 14,861.33, 20,508.54 and 8,147.24

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Solution

The fourth proportional to 14,861.33, 20,508.54 and 8,147.24 is: 11,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.33 : 20,508.54 = 8,147.24 : x
  2. Step 2: Convert to fraction form
    14,861.33/20,508.54 = 8,147.24/x
  3. Step 3: Cross multiply
    14,861.33x = 20,508.54 × 8,147.24
  4. Step 4: Simplify right side
    14,861.33x = 167,087,894.89
  5. Step 5: Solve for x
    x = 167,087,894.89/14,861.33
  6. Step 6: Final answer
    x = 11,243.14

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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.