Home / 20,552.57-28,359.52-12,051.48

Finding the Fourth Proportional to 20,552.57, 28,359.52 and 12,051.48

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Solution

The fourth proportional to 20,552.57, 28,359.52 and 12,051.48 is: 16,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.57 : 28,359.52 = 12,051.48 : x
  2. Step 2: Convert to fraction form
    20,552.57/28,359.52 = 12,051.48/x
  3. Step 3: Cross multiply
    20,552.57x = 28,359.52 × 12,051.48
  4. Step 4: Simplify right side
    20,552.57x = 341,774,188.09
  5. Step 5: Solve for x
    x = 341,774,188.09/20,552.57
  6. Step 6: Final answer
    x = 16,629.27

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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.