Home / 14,933.76-20,608.08-8,219.52

Finding the Fourth Proportional to 14,933.76, 20,608.08 and 8,219.52

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Solution

The fourth proportional to 14,933.76, 20,608.08 and 8,219.52 is: 11,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.76 : 20,608.08 = 8,219.52 : x
  2. Step 2: Convert to fraction form
    14,933.76/20,608.08 = 8,219.52/x
  3. Step 3: Cross multiply
    14,933.76x = 20,608.08 × 8,219.52
  4. Step 4: Simplify right side
    14,933.76x = 169,388,525.72
  5. Step 5: Solve for x
    x = 169,388,525.72/14,933.76
  6. Step 6: Final answer
    x = 11,342.66

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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.