Home / 14,500.24-20,010.80-8,212.48

Finding the Fourth Proportional to 14,500.24, 20,010.80 and 8,212.48

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Solution

The fourth proportional to 14,500.24, 20,010.80 and 8,212.48 is: 11,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.24 : 20,010.80 = 8,212.48 : x
  2. Step 2: Convert to fraction form
    14,500.24/20,010.80 = 8,212.48/x
  3. Step 3: Cross multiply
    14,500.24x = 20,010.80 × 8,212.48
  4. Step 4: Simplify right side
    14,500.24x = 164,338,294.78
  5. Step 5: Solve for x
    x = 164,338,294.78/14,500.24
  6. Step 6: Final answer
    x = 11,333.49

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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.